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
In both 2017 and 2018, Weil was honored as “IP Firm of the Year” at Benchmark Litigation’s U.S. Awards
Benchmark Litigation 2017-2018
Weil is currently recognized as a top-ranked Tier 1 firm for Intellectual Property.
Benchmark Litigation 2020
Ranked among the leading firms nationally for Patent Contentious and PTAB Litigation.
Managing Intellectual Property 2020
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 2019
Weil is ranked as a top-ranked Tier 1 firm nationwide for both IP: Copyright and IP: Patent Licensing—notably the only law firm with this distinction
Legal 500 US 2020
Weil is ranked as “Leading Firm” for Intellectual Property in New York, California, Texas and Nationwide.
Chambers USA 2020
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 “true experts in the field,” and highlight our “practical, knowledgeable and well-staffed” practice.
Chambers USA 2015-2018
Awards and Recognition, Speaking Engagements, Latest Thinking, Firm News & Announcements
Awards and Recognition
- Weil Named a Top-Ranked Tier 1 Firm for Intellectual Property Award Brief — Benchmark Litigation 2021
- Weil Named Copyright “Firm of the Year” – United States Award Brief — Managing Intellectual Property Americas Awards 2020
- Weil Named Copyright “Firm of the Year” – United States Award Brief — Managing Intellectual Property Americas Awards 2019
- Weil Named Transactional “Firm of the Year” – United States Award Brief — Managing Intellectual Property Americas Awards 2019
- Weil Named a “Leading” Firm for Intellectual Property: Patent, USA Award Brief — Chambers Global 2020
Speaking Engagements
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Navigating your IP portfolio in the Digital World
Speaker(s):
Jessica Lynn Falk
February 24, 2021 — Virtual Event — IP/Media partner Jessica Falk participated in a panel at Managing Intellectual Property’s International Women's Leadership Forum (West Coast 2021) entitled “Navigating your IP Portfolio in the Digital World.” The panel discussed best practices and trends in the trade secrets area, how companies should strategically monitor and manage an IP portfolio in light of budget constraints, and how businesses are working to protect innovation.
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A year in review: case law updates from PTAB
Speaker(s):
Elizabeth S. Weiswasser
October 06, 2020 — Virtual Event — Patent Litigation Co-Head Elizabeth Weiswasser moderated a panel discussing trends, decisions and Federal Circuit case law impacting practice before the Patent Trial and Appeal Board at Managing Intellectual Property’s 2020 US Patent Forum.
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2020 Supreme Court IP Review
Speaker(s):
Anne M. Cappella
October 02, 2020 — Virtual Event — Patent Litigation Partner Anne Cappella participated on a panel previewing the Google v. Oracle case before the high court at the Chicago-Kent College of Law’s 2020 Supreme Court IP Review virtual conference.
Latest Thinking
- COVID-19 Relief Bill Introduces Copyright Small Claims Court Alert — By Jessica Lynn Falk — PDF — January 04, 2021
- The Media and Entertainment Law Review: Preface and United States Chapter Publication — The Law Reviews — By Bruce Rich and Benjamin E. Marks — PDF — January 2020
- Sound Policy and Practice in Applying Doctrines of Secondary Liability Under U.S. Copyright and Trademark Law to Online Trading Platforms: A Case Study Publication — Intellectual Property & Technology Law Journal — By Bruce Rich — PDF — January 2020
- When Do Copyright Claims Accrue? Publication — New York State Bar Association’s Entertainment, Arts and Sports Law Journal — By Jonathan Bloom — April 2019
- Litigation Trends 2019 Alert — By Weil’s Litigation Department — March 2019
Firm News & Announcements
- Weil Wins Appeal for Illumina Protecting Cutting-Edge DNA Sequencing Technology Litigation Win — February 02, 2021
- Weil’s Federal Circuit Win for Illumina Named Top 10 Patent Ruling of 2020 by Law360 Firm Announcement — December 17, 2020
- Weil Highly Ranked in 2020 LMG Life Sciences Guide Firm Announcement — October 14, 2020
- Weil Named National Top Tier Firm by Benchmark Litigation in 2020 Firm Announcement — October 13, 2020
- Derek Walter Profiled as a 2020 Law360 Life Sciences MVP Firm Announcement — October 08, 2020
- Craig Adas and Anne Cappella Named 2020 California Trailblazers by The Recorder Firm Announcement — October 05, 2020