Latest
AI
Careers
Copyright
Community & Inclusion
Events Videos
Law firm news
Trade secrets
INTA 2026
In-house
Trademarks
Patents
Jurisdictions
Europe
Americas
Asia
Australasia
Africa
Unified Patent Court
Rankings
About Rankings
Practice Area Rankings
Global In-House Elite 2026
Influential Women in IP 2026
Leaders 2026
Directory
WIPR Insights
Magazines
IP services: Product walk-throughs
Whitepapers
Webinars
Events
Events schedule
About
Contact
Newsletter
Login
Subscribe
Home
About
Contact
Newsletter
Login
Request Trial
Home
Leaders 2026
Mark Jansen
Mark Jansen
Key details
Job title:
Partner, Industry Co-Lead – Games, Blockchain & Cryptocurrency
Firm:
Fenwick & West
Jurisdiction:
US
Services:
Trademarks
Type:
Non-Contentious
Rationale:
USA Trademarks 2025: Outstanding
Level:
Mid-level
Company Latest
Ex-Winston partners join Fenwick for ‘dynamic’ and ‘collaborative’ culture
Ex-Winston partners join Fenwick for ‘dynamic’ and ‘collaborative’ culture
Ex-Amazon associate general counsel joins Morgan Lewis
More leaders
profile
Karen Webb
Partner, Practice Area Lead – Trademark
Fenwick & West
More features
Holland & Hart adds high-stakes patent litigation team from Ashurst Perkins Coie
Holland & Knight opens second Alabama office under partner
Apple v OpenAI: A strategic pleading or a procedural misstep?
Infringement in Nigeria: Understanding your rights and remedies