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Arnold & Porter

United States (National)

This law firm has not supplied any contact details or supplementary information for this country or region. For more information about profiling options please contact Prin Shasiharan.
2026 Edition
Copyright & related rights
Tier 2
43 firms ranked
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Tier 1

Cowan Liebowitz & Latman
6 practice areas
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Fross Zelnick Lehrman & Zissu
4 practice areas
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Jenner & Block
5 practice areas
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Kilpatrick Townsend & Stockton
11 practice areas
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Kirkland & Ellis
13 practice areas
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Loeb & Loeb
7 practice areas
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Mitchell Silberberg & Knupp
4 practice areas
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Morrison Foerster
14 practice areas
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Weil Gotshal & Manges
16 practice areas
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Tier 2

Arnold & Porter
12 practice areas
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Davis Wright Tremaine
6 practice areas
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Fenwick & West
12 practice areas
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King & Spalding
14 practice areas
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Mayer Brown
16 practice areas
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Munger Tolles & Olson
4 practice areas
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O'Melveny & Myers
10 practice areas
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Oppenheim + Zebrak
6 practice areas
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Orrick Herrington & Sutcliffe
13 practice areas
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Quinn Emanuel Urquhart & Sullivan
16 practice areas
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Tier 3

ArentFox Schiff
9 practice areas
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Finnegan Henderson Farabow Garrett & Dunner
14 practice areas
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Greenberg Traurig
13 practice areas
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Katten Muchin Rosenman
8 practice areas
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Latham & Watkins
15 practice areas
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Manatt Phelps & Phillips
4 practice areas
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Pattishall McAuliffe Newbury Hilliard & Geraldson
6 practice areas
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Paul Weiss Rifkind Wharton & Garrison
13 practice areas
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Proskauer
13 practice areas
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Pryor Cashman
5 practice areas
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Venable
12 practice areas
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Winston Taylor
10 practice areas
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Other Notable Firms

Alston & Bird
9 practice areas
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Ashurst Perkins Coie
15 practice areas
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BakerHostetler
3 practice areas
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DLA Piper
9 practice areas
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Dorsey & Whitney
5 practice areas
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Fish & Richardson
12 practice areas
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Hunton Andrews Kurth
12 practice areas
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Reed Smith
10 practice areas
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Robins Kaplan
7 practice areas
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Steptoe
6 practice areas
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Wiley Rein
1 practice area
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Wilson Sonsini Goodrich & Rosati
10 practice areas
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Federal Circuit
Tier 3
23 firms ranked
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Tier 1

Ashurst Perkins Coie
15 practice areas
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Finnegan Henderson Farabow Garrett & Dunner
14 practice areas
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Fish & Richardson
12 practice areas
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Kirkland & Ellis
13 practice areas
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Sidley Austin
18 practice areas
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Williams & Connolly
10 practice areas
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WilmerHale
15 practice areas
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Tier 2

Gibson Dunn & Crutcher
14 practice areas
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Goodwin Procter
14 practice areas
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Jones Day
15 practice areas
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Latham & Watkins
15 practice areas
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Morrison Foerster
14 practice areas
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Orrick Herrington & Sutcliffe
13 practice areas
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Paul Hastings
10 practice areas
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Quinn Emanuel Urquhart & Sullivan
16 practice areas
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Tier 3

Arnold & Porter
12 practice areas
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Covington & Burling
9 practice areas
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Desmarais
9 practice areas
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Jenner & Block
5 practice areas
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Morgan Lewis & Bockius
12 practice areas
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Paul Weiss Rifkind Wharton & Garrison
13 practice areas
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Sterne Kessler Goldstein & Fox
12 practice areas
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Weil Gotshal & Manges
16 practice areas
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IP transactions
Tier 3
34 firms ranked
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Tier 1

Cooley
15 practice areas
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Fenwick & West
12 practice areas
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Goodwin Procter
14 practice areas
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Ropes & Gray
10 practice areas
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Weil Gotshal & Manges
16 practice areas
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Wilson Sonsini Goodrich & Rosati
10 practice areas
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Tier 2

Kirkland & Ellis
13 practice areas
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Latham & Watkins
15 practice areas
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Morgan Lewis & Bockius
12 practice areas
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Morrison Foerster
14 practice areas
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Sidley Austin
18 practice areas
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Skadden Arps Slate Meagher & Flom
12 practice areas
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WilmerHale
15 practice areas
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Tier 3

Arnold & Porter
12 practice areas
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Ashurst Perkins Coie
15 practice areas
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Covington & Burling
9 practice areas
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DLA Piper
9 practice areas
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Dechert
11 practice areas
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Gibson Dunn & Crutcher
14 practice areas
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Hogan Lovells Cadwalader
9 practice areas
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Jones Day
15 practice areas
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Nixon Peabody
6 practice areas
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Paul Weiss Rifkind Wharton & Garrison
13 practice areas
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Sullivan & Cromwell
11 practice areas
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Other Notable Firms

Baker McKenzie
6 practice areas
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Clifford Chance
1 practice area
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Cravath Swaine & Moore
5 practice areas
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Davis Polk & Wardwell
4 practice areas
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Dentons
7 practice areas
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Loeb & Loeb
7 practice areas
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McDermott Will & Schulte
10 practice areas
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Orrick Herrington & Sutcliffe
13 practice areas
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Simpson Thacher & Bartlett
1 practice area
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Wachtell Lipton Rosen & Katz
5 practice areas
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Life sciences IP
Tier 2
50 firms ranked
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Tier 1

Finnegan Henderson Farabow Garrett & Dunner
14 practice areas
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Fish & Richardson
12 practice areas
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Goodwin Procter
14 practice areas
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Kirkland & Ellis
13 practice areas
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Knobbe Martens
11 practice areas
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Latham & Watkins
15 practice areas
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Morrison Foerster
14 practice areas
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Paul Hastings
10 practice areas
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Rakoczy Molino Mazzochi Siwik
5 practice areas
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Sterne Kessler Goldstein & Fox
12 practice areas
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Williams & Connolly
10 practice areas
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WilmerHale
15 practice areas
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Tier 2

Arnold & Porter
12 practice areas
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Ashurst Perkins Coie
15 practice areas
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Choate Hall & Stewart
9 practice areas
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Cooley
15 practice areas
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Covington & Burling
9 practice areas
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Groombridge Wu Baughman & Stone
7 practice areas
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Irell & Manella
8 practice areas
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Jones Day
15 practice areas
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Quinn Emanuel Urquhart & Sullivan
16 practice areas
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Sidley Austin
18 practice areas
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Venable
12 practice areas
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Wilson Sonsini Goodrich & Rosati
10 practice areas
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Tier 3

ArentFox Schiff
9 practice areas
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Dechert
11 practice areas
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Fenwick & West
12 practice areas
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Greenberg Traurig
13 practice areas
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Kilpatrick Townsend & Stockton
11 practice areas
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Marshall Gerstein & Borun
10 practice areas
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Mayer Brown
16 practice areas
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McDonnell Boehnen Hulbert & Berghoff
5 practice areas
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Mintz Levin Cohn Ferris Glovsky & Popeo
7 practice areas
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Rothwell Figg Ernst & Manbeck
9 practice areas
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Winston Taylor
10 practice areas
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Wolf Greenfield & Sacks
10 practice areas
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Other Notable Firms

Akin Gump Strauss Hauer & Feld
7 practice areas
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Bookoff McAndrews
6 practice areas
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Desmarais
9 practice areas
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Foley & Lardner
8 practice areas
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Foley Hoag
4 practice areas
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Katten Muchin Rosenman
8 practice areas
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Lathrop GPM
5 practice areas
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McAndrews Held & Malloy
9 practice areas
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McDermott Will & Schulte
10 practice areas
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Morgan Lewis & Bockius
12 practice areas
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O'Melveny & Myers
10 practice areas
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Orrick Herrington & Sutcliffe
13 practice areas
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Troutman Pepper Locke
5 practice areas
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Willkie Farr & Gallagher
4 practice areas
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Patent disputes
Tier 2
53 firms ranked
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Tier 1

Desmarais
9 practice areas
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Finnegan Henderson Farabow Garrett & Dunner
14 practice areas
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Fish & Richardson
12 practice areas
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Gibson Dunn & Crutcher
14 practice areas
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Kirkland & Ellis
13 practice areas
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Latham & Watkins
15 practice areas
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Paul Hastings
10 practice areas
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Quinn Emanuel Urquhart & Sullivan
16 practice areas
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Williams & Connolly
10 practice areas
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WilmerHale
15 practice areas
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Tier 2

Arnold & Porter
12 practice areas
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Covington & Burling
9 practice areas
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Goodwin Procter
14 practice areas
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Irell & Manella
8 practice areas
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Jones Day
15 practice areas
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Knobbe Martens
11 practice areas
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McKool Smith
5 practice areas
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Morrison Foerster
14 practice areas
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Orrick Herrington & Sutcliffe
13 practice areas
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Sidley Austin
18 practice areas
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Susman Godfrey
5 practice areas
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Tier 3

Alston & Bird
9 practice areas
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Ashurst Perkins Coie
15 practice areas
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Cooley
15 practice areas
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DLA Piper
9 practice areas
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Groombridge Wu Baughman & Stone
7 practice areas
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Keker Van Nest & Peters
8 practice areas
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Kilpatrick Townsend & Stockton
11 practice areas
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King & Spalding
14 practice areas
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McDermott Will & Schulte
10 practice areas
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Morgan Lewis & Bockius
12 practice areas
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O'Melveny & Myers
10 practice areas
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Reichman Jorgensen Lehman & Feldberg
7 practice areas
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Venable
12 practice areas
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Weil Gotshal & Manges
16 practice areas
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White & Case
7 practice areas
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Winston Taylor
10 practice areas
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Other Notable Firms

Akin Gump Strauss Hauer & Feld
7 practice areas
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Baker Botts
5 practice areas
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Davis Polk & Wardwell
4 practice areas
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Dechert
11 practice areas
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Fenwick & West
12 practice areas
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Foley & Lardner
8 practice areas
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Herbert Smith Freehills Kramer
9 practice areas
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Husch Blackwell
9 practice areas
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Mayer Brown
16 practice areas
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McAndrews Held & Malloy
9 practice areas
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Mintz Levin Cohn Ferris Glovsky & Popeo
7 practice areas
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Rakoczy Molino Mazzochi Siwik
5 practice areas
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Robins Kaplan
7 practice areas
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Sheppard Mullin Richter & Hampton
8 practice areas
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Sterne Kessler Goldstein & Fox
12 practice areas
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Willkie Farr & Gallagher
4 practice areas
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Trade mark disputes
Tier 3
36 firms ranked
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Tier 1

Debevoise & Plimpton
11 practice areas
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Fross Zelnick Lehrman & Zissu
4 practice areas
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Kelly IP
4 practice areas
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Kilpatrick Townsend & Stockton
11 practice areas
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Kirkland & Ellis
13 practice areas
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Pirkey Barber
5 practice areas
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Tier 2

Cooley
15 practice areas
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Cowan Liebowitz & Latman
6 practice areas
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Fenwick & West
12 practice areas
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Finnegan Henderson Farabow Garrett & Dunner
14 practice areas
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Katten Muchin Rosenman
8 practice areas
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Knobbe Martens
11 practice areas
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Pattishall McAuliffe Newbury Hilliard & Geraldson
6 practice areas
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Sheppard Mullin Richter & Hampton
8 practice areas
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Tier 3

Arnold & Porter
12 practice areas
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Crowell & Moring
10 practice areas
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DLA Piper
9 practice areas
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Dorsey & Whitney
5 practice areas
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Fish & Richardson
12 practice areas
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Greenberg Traurig
13 practice areas
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Loeb & Loeb
7 practice areas
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Morrison Foerster
14 practice areas
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Orrick Herrington & Sutcliffe
13 practice areas
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Quinn Emanuel Urquhart & Sullivan
16 practice areas
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Other Notable Firms

ArentFox Schiff
9 practice areas
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Ashurst Perkins Coie
15 practice areas
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Dentons
7 practice areas
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Gibson Dunn & Crutcher
14 practice areas
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Husch Blackwell
9 practice areas
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Latham & Watkins
15 practice areas
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Morgan Lewis & Bockius
12 practice areas
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Norton Rose Fulbright
5 practice areas
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Proskauer
13 practice areas
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Reed Smith
10 practice areas
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Sideman & Bancroft
6 practice areas
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Wolf Greenfield & Sacks
10 practice areas
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Trade mark prosecution
Other Notable Firms
42 firms ranked
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Tier 1

Fenwick & West
12 practice areas
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Fross Zelnick Lehrman & Zissu
4 practice areas
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Kelly IP
4 practice areas
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Kilpatrick Townsend & Stockton
11 practice areas
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Pirkey Barber
5 practice areas
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Tier 2

ArentFox Schiff
9 practice areas
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Ashurst Perkins Coie
15 practice areas
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Finnegan Henderson Farabow Garrett & Dunner
14 practice areas
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Haynes and Boone
10 practice areas
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Katten Muchin Rosenman
8 practice areas
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Knobbe Martens
11 practice areas
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Pattishall McAuliffe Newbury Hilliard & Geraldson
6 practice areas
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Tier 3

Baker McKenzie
6 practice areas
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Crowell & Moring
10 practice areas
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Dorsey & Whitney
5 practice areas
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Greenberg Traurig
13 practice areas
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Holland & Hart
5 practice areas
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Hunton Andrews Kurth
12 practice areas
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K&L Gates
5 practice areas
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Loeb & Loeb
7 practice areas
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McDermott Will & Schulte
10 practice areas
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Pillsbury Winthrop Shaw Pittman
7 practice areas
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Reed Smith
10 practice areas
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Other Notable Firms

Arnold & Porter
12 practice areas
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BakerHostetler
3 practice areas
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Banner Witcoff
9 practice areas
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Brooks Kushman
5 practice areas
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Cooley
15 practice areas
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Dentons
7 practice areas
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Dickinson Wright
2 practice areas
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Fish & Richardson
12 practice areas
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Foley & Lardner
8 practice areas
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Ladas & Parry
4 practice areas
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Mayer Brown
16 practice areas
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Merchant & Gould
7 practice areas
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Morgan Lewis & Bockius
12 practice areas
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Pryor Cashman
5 practice areas
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Sheppard Mullin Richter & Hampton
8 practice areas
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Sideman & Bancroft
6 practice areas
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Sughrue Mion
4 practice areas
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Troutman Pepper Locke
5 practice areas
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Venable
12 practice areas
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16 results16 results
David Benyacar
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Arnold & Porter
Jurisdiction:
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New York
Aaron Bowling
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Arnold & Porter
Daniel P DiNapoli
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Arnold & Porter
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New York
Deborah Fishman
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Arnold & Porter
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California
Dori Hanswirth
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Arnold & Porter
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New York
Michael J Harris
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Arnold & Porter
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Illinois
Ronald L Johnston
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Arnold & Porter
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Paul C Llewellyn
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Arnold & Porter
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Thomas A Magnani
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Arnold & Porter
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California
David R Marsh
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Arnold & Porter
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District of Columbia
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Arnold & Porter
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New York
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Arnold & Porter
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Illinois
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Arnold & Porter
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Colorado
Matthew Salzmann
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Arnold & Porter
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New York
Rhonda R Trotter
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Arnold & Porter
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California
Pallavi Wahi
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Arnold & Porter
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Washington
Trademarks
Tylenol.jpg
Kirkland, Cravath lead on Kimberly-Clark’s $48.7bn deal with Kenvue
IP, M&A, life sciences and competition partners advised on deal that brings together brands such as ‘Huggies’ and ‘Kleenex’ with ‘Band-Aid’ and ‘Tylenol’
Sukanya Sarkar, November 04 2025
Copyright
View of marble columns and greek classical architecture of the U
‘A lot at stake’: counsel predict Cox victory in SCOTUS dispute
Attorneys explain why there are early signs that the US Supreme Court could rule in favour of ISP Cox in a copyright dispute
Rani Mehta, July 11 2025
Patents
AbigailFiveMins.jpg
Five minutes with…Abigail Struthers, Arnold & Porter
Abigail Struthers discusses why law firms are like a mix of small businesses and explains why hopeful patent lawyers should not assume that a science degree is essential
June 17 2025
Copyright
New York Times headquarter building
Why OpenAI opinion provides ‘roadmap’ for practitioners: counsel
The opinion provides useful guidance when it comes to how courts might consider contributory infringement, DMCA claims, and other issues in AI copyright cases
Rani Mehta, April 11 2025
Rankings
scaled_w120_scaled_w120_scaled_w120_scaled_w120_scaled_w120_IP Stars PEOPLE MOVES & FIRM NEWS-320x250_1bd050.jpg
IP people moves and firm announcements: Americas
Read the latest IP practitioner hires, departures and other IP-related news in the Americas
Chris Adams, July 23 2020
Rankings
United States: IP Stars in the news with noteworthy court rulings
Verdicts achieved by ranked practitioners include recent $765M win for Motorola
Chris Adams, March 05 2020
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