Leason Ellis Earns Recognition in IAM Patent 1000 for 2025

Leason Ellis is proud to be recognized once again in the IAM Patent 1000: The World’s Leading Patent Professionals 2025, earning a ranking for litigation and recommendations for both prosecution and transactions.

Each year, IAM evaluates firms based on client feedback, peer reviews, and independent market research. In the 2025 edition, IAM highlighted the strength and precision of our patent practice, noting: “Leason Ellis may be small, but it packs a powerful punch.”

Notably, ten of our attorneys were individually recognized for their contributions: Elizabeth Barnhard, Susie Cheng, Ralph Crispino, Michael Davitz, Edward Ellis, Jordan Garner, Melvin Garner, Robert Isackson, David Leason, and Yuval Marcus. The guide commends the team for its depth, technical range, and commitment to client success across industries and technologies.

Among the highlighted insights:

• Managing Partner Yuval Marcus is praised for setting a high standard in litigation and portfolio strategy.
• Robert Isackson is recognized for his 40+ years of experience and leadership in appellate work.
• Melvin Garner and Jordan Garner are recognized for their breadth across prosecution, litigation, and negotiation.
• Edward Ellis, Susie Cheng, Ralph Crispino, and Michael Davitz are commended for their international insight and sector-specific depth.
• On the transactional side, Elizabeth Barnhard and David Leason are noted as a “dynamic duo,” praised for delivering creative, business-forward solutions across the full IP lifecycle.

Altogether, Leason Ellis remains a go-to firm for companies seeking sophisticated, strategic, and personalized patent counsel. We’re proud of our team's continued recognition and honored to be included in the IAM Patent 1000 for 2025.