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Stay up to date with the latest legal developments, firm news, and practical insights from our team. Here you’ll find timely updates on IP law, thought leadership on emerging trends, and stories that showcase our work and community. Whether you’re looking for guidance, inspiration, or a closer look at our people in action, our News & Insights hub is your resource for what matters now in intellectual property.
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FTC Rule Banning Non-Competes Preliminarily Enjoined, but Not Dead Yet

Article

July 24, 2024

TTAB Denies Meta Platforms’ Motion to Dismiss in Dispute With MyMeta Software

Article

June 24, 2024

Employee Invention Assignment Agreements Face Stricter Scrutiny Under New York Employee Protection Laws

Newtonian

June 01, 2024

Claiming Copyright: What to Know Before You Apply to Register Your AI-Generated Work

Newtonian

June 01, 2024

USPTO Proposes New Fee Schedule for Trademark Applications

Newtonian

June 01, 2024

Federal Circuit Applies Extraterritoriality Analysis from WesternGeco to Find Patent Owner Not Entitled to Recover Royalties on Foreign Sales of Infringing Products Exported from U.S.

Newtonian

June 01, 2024

China: Two Things Brand Owners Should Keep in Mind in 2024

Newtonian

June 01, 2024

Ownership of Social Media Accounts: Appellate Court Issues Second Decision

Article

April 02, 2024

Specialist Chapter: Trends and Strategies in Global Pharma and Biotech Patent Litigation

Article

March 06, 2024

Bad Spaniels, Abitron and Redbubble – 2023’s Most Influential Decisions

Article

February 01, 2024

Federal Circuit Narrowly Defines Scope of Comparison Prior Art for Evaluating Design Patent Infringement

Newtonian

January 01, 2024

Don’t Just Register & Forget It! Why Filing Declarations of Use Early Is Best Practice

Newtonian

January 01, 2024

Against the Odds: Persistence Prompts Copyright Review Board to Reverse Refusal to Register

Newtonian

January 01, 2024

Are You Bound by Terms Reached During Mediation?

Newtonian

January 01, 2024

Get INFORM-ed: A Primer on the INFORM Consumers Act

Newtonian

January 01, 2024

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What Others
Say Matters

The voices of our clients, industry peers, and leading legal organizations tell the story of our firm’s impact. Their recognition inspires us to keep raising the bar in client service and results.

  • IP boutique Leason Ellis is one of New York’s very best trademark practices. With tactical finesse, fearless strategy and a collaborative, team-oriented style, the ensemble delivers top-notch brand advice that runs the gamut, from global portfolios to full-scale litigation. In the words of patrons, the trademark and copyright practice group ‘is full of highly trained specialists who hold themselves to a very high standard.'

    WTR 1000, World Trademark Review

  • With a “solid bench of personable attorneys,” Leason Ellis stands out for its blend of sophistication and approachability. The team dives deep into the nuances of trademark law, connecting legal precision with brand strategy. Their sharp eye for detail and collaborative spirit infuse every matter with care and commercial impact.

    WTR 1000, World Trademark Review

  • Leason Ellis is a go-to firm for patent drafting as well as patent litigation. Its practitioners have the ability to understand the strategic importance of patent portfolios from a business perspective, creating significant added value over law outfits that do not look beyond the technical and legal aspects of patents. They have an excellent work ethic, deliver on time every time and genuinely have their clients’ business interests at heart.

    WTR 1000, World Trademark Review (2026)

  • Leason Ellis may be small, but it packs a powerful punch. By prioritising client needs and consistently exceeding expectations, it has become a go-to firm for all patent-related services.

    IAM Patent 1000

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Tatsuya Adachi Melissa A. Alcantara Elizabeth M. Barnhard Kristin J. Breen Dexter Chang Susie S. Cheng Stacey W. Chung Lori L. Cooper* Ralph J. Crispino M. Diana Danca Michael A. Davitz Edward Ellis* Lauren B. Emerson Joel J. Felber* Matthew L. Frisbee Henry A. Gabathuler Stefanie M. Garibyan Jordan G. Garner Melvin C. Garner Vera Glonina Howard I. Grossman Sara E. Gruber Brian M. Gummow James F. Haley Mitsu Haraguchi Robert M. Isackson Marcus J. Jellen Kendra V. Johnson Cha Hyung (Catherine) Kim David Leason Michelle J. Levin Jia Li Erica S. Livingstone Karen Mangasarian Yuval H. Marcus Elyse Marcus Joshua J. Montgomery Anthony J. Natoli Cameron S. Reuber Emily A. Rice* Maha M. Saber Marlene U. Sauer Karin Segall Peter S. Sloane Audrey E. Trace* Taylor L. Vacala Yilan Wang Jarryd R. Werts
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Tatsuya Adachi Melissa A. Alcantara Elizabeth M. Barnhard Kristin J. Breen Dexter Chang Susie S. Cheng Stacey W. Chung Lori L. Cooper* Ralph J. Crispino M. Diana Danca Michael A. Davitz Edward Ellis* Lauren B. Emerson Joel J. Felber* Matthew L. Frisbee Henry A. Gabathuler
Stefanie M. Garibyan Jordan G. Garner Melvin C. Garner Vera Glonina Howard I. Grossman Sara E. Gruber Brian M. Gummow James F. Haley Mitsu Haraguchi Robert M. Isackson Marcus J. Jellen Kendra V. Johnson Cha Hyung (Catherine) Kim David Leason Michelle J. Levin Jia Li
Erica S. Livingstone Karen Mangasarian Yuval H. Marcus Elyse Marcus Joshua J. Montgomery Anthony J. Natoli Cameron S. Reuber Emily A. Rice* Maha M. Saber Marlene U. Sauer Karin Segall Peter S. Sloane Audrey E. Trace* Taylor L. Vacala Yilan Wang Jarryd R. Werts
Copyright Litigation Patent Trade Secret Trademark Transaction
Artificial Intelligence Computers and Technology Consumer Goods Energy
Hospitality Industrials and Manufacturing Life Sciences and Pharmaceuticals Media, Arts, and Entertainment
Medical Devices Professional Services Transportation and Aerospace
China Japan
All Insights News Articles The Newtonian
About Leason Ellis Our Approach Our Culture Pro Bono & Community Engagement
Careers Why Join Us Current Opportunities