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
William O'Neil
William O'Neil
Key details
Job title:
Managing Partner, Chicago
Firm:
Winston Taylor
Jurisdiction:
US
Services:
Trade Secrets
Type:
Contentious
Rationale:
USA Trade Secrets 2025: Notable
Level:
Senior-level
Company Latest
American Airlines proves the sky is the limit for IP-backed loans
Ex-Winston & Strawn partners join King & Spalding in Dallas
Winston & Strawn nabs ITC whizz from McDermott
More leaders
profile
Nimalka Wickramasekera
Co-Chair IP Practice
Winston Taylor
profile
Kathi Vidal
Partner
Winston Taylor
profile
Ron Rothstein
Partner
Winston Taylor
profile
George Lombardi
Partner
Winston Taylor
More features
Weil collapse leaves IP talent facing uncertain future after major expansion
Oura targets Ultrahuman’s redesigned smart ring following import ban
No more rockin’ in the free world? Neil Young slaps Trump with $10m lawsuit
Why China will lead the next wave of IP firm consolidation