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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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U.S. Trademark Trial and Appeal Board Issues Precedential Decision on Dilution

Article

September 17, 2021

New York’s Post-Mortem Right of Publicity Goes Into Effect

Article

June 08, 2021

Martin Schwimmer Co-Writes Article With John Welch on Appeals From TTAB Decisions for WTR

Article

May 11, 2021

Peter Sloane and Sarah Sue Landau Write for The Brand Protection Professional

Article

March 04, 2021

Legislative Update: The Trademark Modernization Act: What Does It Do and Why Should Brand Professionals Care?

Article

February 25, 2021

IP Due Diligence in M&A Transactions and Investments

Article

January 04, 2021

New Changes to US Copyright Act

Article

November 30, 2020

Matthew Frisbee and Christina Sauerborn Highlight USPTO Trademark Fee Changes

Article

November 06, 2020

Dr. Susie Cheng Submitted Comments to Draft Measures on China Patent Linkage and Wrote for Medicine Economic News

Article

October 27, 2020

Generic Drugs

Article

October 10, 2020

Congress Is Poised to Make the Most Significant Changes to U.S. Trademark Law With the Trademark Modernization Act.

Article

August 20, 2020

Patent Drafting in View of Section 112(F) 1

Article

August 13, 2020

Similar Facts, Different Decisions: How U.S. District Courts Reach Inconsistent Results

Article

June 30, 2020

US Supreme Court: Willfulness Is Not a Requirement to Recover an Infringer’s Profits

Article

June 15, 2020

Reducing Trademark Expenses During the Pandemic

Article

April 17, 2020

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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