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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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IAM 1000 Recognizes Leason Ellis as One of the Top Patent Firms in New York

Recognition June 10, 2019

Dr. Bruce Wagar Joins Leason Ellis as Associate in the Patent Practice Group

Firm News June 07, 2019

Lauren Emerson to Speak at Convention for Book Lovers

Firm News May 16, 2019

Leason Ellis Hosts Pre-INTA Annual Meeting Reception

April 29, 2019

®Eal Talk: How to Build & Protect Your Brand

April 15, 2019

Robert Isackson Speaks on Patent Issues for IPO

February 19, 2019

Mel Garner to Speak at PLI Program on Advanced Licensing Issues

February 11, 2019

Matthew Frisbee to Speak on a Webinar Panel About Product Trade Dress

February 01, 2019

Matt Kaufman Helps Students Patent Device to Rid Ponds of Algae Blooms

January 03, 2019

Leason Ellis Attorneys Author Supreme Court Amicus Briefs

December 27, 2018

Robert Isackson Amicus Brief Summaries

December 21, 2018

Leason Ellis Provides Update to Commentary on U.S. Advertising Law for 2019

December 18, 2018

Melvin Garner to Speak at PLI’s IP Issues in Business Transactions 2019 Program in New York

December 18, 2018

Joel Felber to Speak on Engineering Law and Ethics

November 28, 2018

Harmonization in Practice: A Dialogue About Foreign Trademarks

November 28, 2018
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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