Rankings: The top PTAB petitioners, patent owners and law firms in 2018

Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Cookies Settings

Rankings: The top PTAB petitioners, patent owners and law firms in 2018

January 17 2019
PTAB 2018 filing by year 168

Managing IP reveals rankings for Patent Trial and Appeal Board filing last year. Apple regained the top petitioner status, Qualcomm was the top patent owner and Fish & Richardson remained the law firm involved in the most disputes

Unlock this content.

The content you are trying to view is exclusive to our subscribers.

To unlock this content:

Take a Free Trial or Login

Topics

United StatesNewsPatentsNorth AmericaJurisdictions
more from across site and SHARED ros bottom lb

More from across our site

Trademarks
Iceland news-comp.jpg
No ordinary thaw: could Iceland TM resolution prompt wider strategy shift?
Emma Green, partner at Bird & Bird, shares why the Iceland v Iceland dispute could prompt businesses and lawyers to think differently about brand enforcement
Emma Green, March 11 2026
Patents
3D Illustration of AI and Machine Learning- Understanding the Black Box
Exclusive: IP lawyers' AI tool aims to overcome ‘black box’ woes
Attain IP, developed by two UK patent lawyers, will meet ‘forensic’ needs of patent attorneys by showing a verifiable reasoning chain, according to its co-founders
Max Walters, March 11 2026
Trademarks
KatyPerryWestminst111224_(81_of_95)_(54206733094)_(cropped_2).jpg
A roaring success: Katie Perry beats pop star Katy Perry in TM battle
The High Court of Australia has allowed a fashion designer to retain her registered ‘Katie Perry’ trademark for clothing
Sukanya Sarkar, March 11 2026
Patents
Ozempic.jpg
Novo Nordisk loses Ozempic appeal in India
Sim & San secured the win for Dr. Reddy’s, which will allow the pharma company to manufacture and export semaglutide, the active ingredient in Ozempic
Sukanya Sarkar, March 10 2026
Patents
AmodioL_hi.jpg
‘No knowledge is wasted’: patent attorney on juggling multiple tasks
Lucas Amodio joins our ‘Five minutes with’ series to discuss artificial intelligence systems and patent law
March 10 2026
Managing IP Awards
Copy of LS Research SMC.png
Life Sciences Americas 2026: research cycle now open
The Americas research cycle has commenced, so don't miss the opportunity to submit your work
Shailyn Tirado, March 10 2026
Trademarks
view of traditional police station lamp in England
UKIPO eyes IP crime unit expansion, confirms continued funding
Practitioners have welcomed extended funding of the specialist police unit until 2029, while the UKIPO says it is exploring increased scale
March 10 2026
Trademarks
baylos_abion.jpg
Abion acquires Spanish firm at heart of ‘Beckham’ trademark
Abion says integration with Baylos marks an important step in the company’s international expansion plans
Max Walters, March 10 2026
Patents
smartphone.jpeg
Breaking: Via welcomes Honor to AAC pool
Via Licensing Alliance continues its China push as another smartphone manufacturer joins patent pool as licensee
Sanjana Mishra, March 09 2026
Patents
merger.jpeg
IP leaders: how to survive 'merger mania'
Law firm mergers have the potential to reshape IP teams, and partners who were at the coalface of previous tie-ups say early coordination and flexibility can make the difference
Sanjana Mishra, March 09 2026
Gift this article