Intellectual Property
Weil offers a truly comprehensive intellectual property practice, encompassing IP litigation (including patent, copyright, and trademark); technology and IP transactions; and our strategic IP counseling practice.
Notable Representations, Key Contacts
Intellectual Property Litigation
Weil’s intellectual property litigators regularly handle high-stakes cases involving cutting-edge technology and complex and evolving legal issues.
Patent Litigation
When the world’s leading companies face critical patent issues – disputes where the stakes are high, the jurisdiction is unfriendly, or the technology is complex – they turn to Weil’s patent litigators.
IP/Media Litigation
Weil has played a substantial role in shaping intellectual property and media law. In a media landscape undergoing constant technological transformation, our practice regularly handles high-stakes cases whose outcomes affect how intellectual property and content are developed, distributed, and licensed.
Technology and Intellectual Property Transactions
Our Technology and IP Transactions lawyers spend 100% of their time on transactions where both technology and intellectual property issues are present — a distinguishing feature of Weil.
Accordingly, they are trusted advisors on many of the technology sector’s most significant global transactions.
Intellectual Property Counseling
Weil offers a strategic IP Counseling practice that advises clients on issues relating to IP management, enforcement, dispute counseling, transactions and acquisitions.
Key Contacts


Shortcut Links
Ranked as a Tier 1 Firm for Intellectual Property Worldwide (2025)
Legal 500
The Weil transactional IP team is well-trained and are experienced in dealing with a diverse set of IP related issues in the transactional context. They are skilled negotiators and thoughtful drafters who approach complex issues with a "can-do", problem-solving mentality.
Legal 500 US 2025
Weil is recognized as a top-ranked Tier 1 firm for Intellectual Property.
Benchmark Litigation 2025
Ranked as a Leading Firm in Patent Disputes (2025)
Managing Intellectual Property: IP Stars
Clients note that Weil’s IP practice is "first-rate," and that "Weil is unique in the talent that it brings to each task…from partner level to senior associates, all the attorneys are top notch."
Managing Intellectual Property
Weil is ranked as “Leading Firm” for Intellectual Property in New York, California and Nationwide.
Chambers USA 2025
This international powerhouse handles a significant amount of work in the overlap between IP and media…” and “maintains its position at the cutting edge of media issues” by acting “for an enviable list of top media clients.” Clients call us “extremely well organized and proactive” and “true experts in the field,” and highlight our “practical, knowledgeable and well-staffed” practice.
Chambers USA 2015-2025
Awards and Recognition, Speaking Engagements, Latest Thinking, Firm News & Announcements
Awards and Recognition
- Weil Named Copyright “Firm of the Year” Award Brief — Managing Intellectual Property Americas Awards 2025
- Weil recognized as a “Leading” Firm for Patents: Litigation (Full Coverage) Award Brief — Legal 500 US 2025
- Weil ranked as a Tier 1 Firm for Intellectual Property Worldwide Award Brief — Legal 500 2025
- Seven Weil partners named to Lawdragon’s “500 Leading Global IP Lawyers” list Award Brief — Lawdragon 2025
- Weil recognized as a “Leading” Firm Nationwide for Intellectual Property and Intellectual Property: Appellate Award Brief — Chambers USA 2025
Speaking Engagements
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PTAB Perspectives: Behind the Scenes of Patent Trials
April 10, 2025 — San Francisco, CA — Weil Patent Litigation counsel Wes Derrick spoke on a panel titled “PTAB Perspectives: Behind the Scenes of Patent Trials,” as part Practising Law Institute’s 2025 Critical Issues & Best Practices conference. The panel discussed the latest statistics on PTAB proceedings, key differences between district court and PTAB litigation, and the latest procedural and caselaw changes impacting PTAB practices, along with insights from the front lines.
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Best Practice Trademark Litigation Strategies
Speaker(s):
Jessica Lynn Falk
March 12, 2025 — Chicago, IL — Complex Commercial Litigation and Intellectual Property & Media partner Jessica Falk led a panel discussion titled, “Best Practice Trademark Litigation Strategies,” at the World Intellectual Property Review (WIPR) Summit 2025. The panel discussed how to create a winning IP strategy and best practice trademark litigation strategies.
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ACC SFBA’s 2024 IP Symposium: Patent Litigation Settlement Agreements: How to Get the Best Deal For Your Company
Speaker(s):
Anne M. Cappella and
Karen N. Ballack
September 19, 2024 — Virtual — Weil partners Anne Cappella and Karen Ballack co-led a panel titled “Patent Litigation Settlement Agreements: How to Get the Best Deal For Your Company” as part of ACC SFBA’s 2024 IP Symposium Program.
Latest Thinking
- Lessons Learned from the U.S. Supreme Court’s Confirmation of Corporate Separateness Publication — By Jessica Lynn Falk, Josh Wesneski, Marina Masterson and Jenna Hann — PDF — June 10, 2025
- High Court Holds That New Challenges Can Be Brought To Old Agency Rules Publication — By Mark A. Perry, Zack Tripp and Josh Wesneski — PDF — July 01, 2024
- Supreme Court Rejects Registration of “Trump Too Small” Trademark Alert — Intellectual Property & Media — By Jessica Lynn Falk and Priya Kamath — PDF — June 14, 2024
- Fencing in Fair Use, the Tenth Circuit Partially Revives Tiger King Copyright Claims Alert — Intellectual Property & Media — By Benjamin E. Marks and Camilla Brandfield-Harvey — PDF — April 08, 2024
- Infringement Policy Lessons From 4th Circ. Sony Music Ruling Publication — Law360 — By Benjamin E. Marks — PDF — March 15, 2024
Firm News & Announcements
- Weil Adds Three Distinguished IP Partners – Including Co-Heads of New IP, Technology & Science Litigation Practice – in Group Buildout Press Release — July 31, 2025
- Weil Maintains High Rankings in 2025 IAM Patent 1000 Firm Announcement — June 03, 2025
- Weil Partners Recognized Among 2025 Lawdragon 500 Leading Global IP Lawyers Firm Announcement — May 28, 2025
- Weil Wins Copyright Firm of the Year at 2025 Managing Intellectual Property Americas Awards Firm Announcement — April 25, 2025
- Benjamin Marks and Todd Larson Named to Billboard’s 2025 “Top Music Lawyers” List Firm Announcement — April 22, 2025
- Weil Shortlisted for Top Honors at 2025 Managing Intellectual Property Americas Awards Firm Announcement — March 03, 2025