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Key contacts
Managing Partner: Harry Frischknecht
Quick facts
Established

1910

Number of partners

10

Number of practitioners

16

Languages

German, English, French and Italian

Key practice areas
Intellectual property
Trade mark
Patent
Firm overview

Being founded in 1910, Isler & Pedrazzini AG has grown from a medium-sized firm to one of the largest and leading intellectual property law firms in Switzerland. Isler & Pedrazzini AG is specialising in all aspects of protection and enforcement of intellectual property law, including specialised advice in patents, trademarks, copyright, design and domain names protection, as well as licensing, prosecution, litigation and related legal and commercial matters. Our team leads and coordinates anti-counterfeiting campaigns, in particular transnational strategies from piracy hotspots in South America, East Europe to Asia, working with associated law firms, customs officials, public prosecutors and police forces worldwide.

Our experienced staff of 43 attorneys, paralegals, administrators and assistants provide tailor-made services for our longstanding clients ranging from major companies in all areas of business, including apparel, alcoholic beverages, automotive, chemical, cosmetics, computers, cutlery, electronics, engineering, foods, fragrances, healthcare, pharmaceuticals, sanitary, security and travel gear, to smaller companies and individuals.



Network Memberships
Our attorneys are member of different international organisations as; AIPPI, INTA, LES, FICPI, ECTA, ALAI, MARQUES and national Swiss organisations as; ASPTA, VESPA, INGRES

Practice Areas & Sector Specialisations

Key IP Areas:

  • Patents
  • Trademarks
  • Designs
  • Copyright
  • Domain Names
  • Anti-Piracy
  • Contracts
  • Plant Variety
  • Trade Secrets
  • Geographical Indications
  • Filing & Prosecution
  • IP Office Proceedings
  • Litigation
  • Strategy & Advisory

 

Sector Expertise

  • Engineering
  • Green Technology
  • ICT & Software
  • Instruments
  • Life Sciences & Chemistry
  • Medical Devices
  • Optics & Photonics
  • Pharmaceuticals
  • Robotics & Nanotechnology
  • Telecommunication
  • Universities & Research
Address:
Giesshübelstrasse 45
CH-8045 Zürich
Tel:+41 44 283 47 00 Fax:+41 44 283 47 47 Email:Contact Us Web Address:http://www.islerpedrazzini.ch
2026 Edition
Patent prosecution
Tier 1
14 firms ranked
View full list

Tier 1

E Blum & Co
3 practice areas
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Hepp Wenger Ryffel
4 practice areas
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Isler & Pedrazzini
3 practice areas
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Rentsch Partner
6 practice areas
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Tier 2

IPrime Rentsch Kaelin
4 practice areas
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SBMP (Schaad Balass Menzl & Partner)
3 practice areas
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prins
4 practice areas
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Tier 3

Katzarov
6 practice areas
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P & TS
2 practice areas
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Troesch Scheidegger Werner (TSWpat)
4 practice areas
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Other Notable Firms

AWA
3 practice areas
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Frei Patent Attorneys
4 practice areas
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Keller Schneider
5 practice areas
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Vossius & Partner
1 practice area
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Trade mark prosecution - patent & trade mark attorney firms
Tier 1
10 firms ranked
View full list

Tier 1

E Blum & Co
3 practice areas
View full profile
Isler & Pedrazzini
3 practice areas
View full profile
Weinmann Zimmerli
6 practice areas
View full profile

Tier 2

Katzarov
6 practice areas
View profile
Rentsch Partner
6 practice areas
View profile

Tier 3

Bugnion
4 practice areas
View profile
prins
4 practice areas
View full profile

Other Notable Firms

AWA
3 practice areas
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Bovard
6 practice areas
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Novagraaf
5 practice areas
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Overview

Isler & Pedrazzini shines in Switzerland for IP protection and portfolio management work. Mechanical engineering is a reputed area of expertise for prosecution activities in Switzerland.   

Notable patent practitioners: Harry Frischknecht, Andrea Rutz, Andreas Detken and Tobias Bremi.  

Notable trademark practitioners: Matthias Bebi.  

Testimonials

2025

"Highly competent attorneys with business acumen."

Linked Reviews
Patent

The firm conducted freedom-to-operate analysis for a mechanical engineering company. It also handled licensing negotiations alongside EPO opposition for the construction sector.  

Trade mark

Case highlights include a rare cryptocurrency opposition case before the Swiss Federal Administrative Court. It also completed opposition and prosecution work for the automotive sector.  

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