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We are a team of intellectual property attorneys and global legal experts with multi-faceted backgrounds across several industries.

Our staff is as committed to providing trusted intellectual property strategy as we are to offering personable service. Think of us as your IP concierge.

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Featured News Room

Amster, Rothstein & Ebenstein LLP Names Richard S. Mandaro as Managing Partner; Anthony Lo Cicero Assumes Role of Chairman

Amster Rothstein & Ebenstein LLP Attorneys Featured in Managing IP – IP Stars List for 2025

IAM Patent 1000 – The World’s Leading Patent Professionals for 2025 Name’s Amster Rothstein & Ebenstein’s Partners Charles Macedo, Gary Gershik, and Douglas Miro

Articles, Alerts & Briefs

Charles Macedo and Michael Downs Co-Author Oxford University Press Journal of Intellectual Property Law & Practice article on “EcoFactor narrows patent damages testimony standards in the United States”

Charles Macedo, David Goldberg and Chloe Vizzone Co-Author Oxford University Press Journal of Intellectual Property Law & Practice article on “US Supreme Court clarifies the scope of ‘defendant’s profits’ in trade mark matters in Dewberry Grp, Inc v Dewberry Eng’rs Inc, No. 23-900, 604 US 145 S Ct 681, slip op (26 February 2025)”

Charles Macedo, David Goldberg, Thomas Hart, John Dellaportas and Jamie Zipper co-Author article For Oxford University Press’s Journal Of Intellectual Property Law & Practice, entitled “Good appellate practice means explaining decisions: how the overuse of one-word affirmances harms US patent law”

Upcoming Events

November 5, 2025

NYIPLA: One-Day Patent CLE Seminar

Update on Patent Eligibility at the Federal Circuit and the USPTO

Registation Required

  • Location: Online
  • Time: 10:00 AM
  • Speakers: Charles R. Macedo