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Amster Rothstein & Ebenstein

IP firm in

Amster Rothstein & Ebenstein LLP, established in 1953 in New York, provides intellectual property services across industries from financial services to consumer electronics.

Amster Rothstein & Ebenstein: IP firm in Manhattan

Amster Rothstein & Ebenstein LLP, located at 405 Lexington Avenue in Midtown Manhattan, has exclusively practiced intellectual property law since 1953. The firm offers:

  • Patent, trademark, and copyright litigation and registration
  • IP portfolio management and valuation
  • Patentability and infringement opinions

With attorneys holding engineering and science degrees, the firm serves clients across diverse industries including financial services, blockchain, artificial intelligence, fashion, life sciences, and consumer electronics throughout New York and internationally.

Industry-specific activity

  • All industries

Intellectual Property Fields

Amster Rothstein & Ebenstein's team

Please find below the list of intellectual-property.org members registered as affiliated to Amster Rothstein & Ebenstein.

Rocco Gianluca Massa

Head of Studio Legale MASSA / MASSA Law Firm ITALY

Avv. Rocco Gianluca MASSA, is a solicitor with over fifteen years’ professional experience in domestic and international matters, advising on disputes and issues involving both bus...

Raymond Duffy

Trademark Lawyer

I am the Principal solicitor at Greyson Legal. We are a boutique commercial law with a head office in Scarborough, Queensland, Australia and also servicing the Gold Coast, Brisbane...

thomas Seuwe

坤 漆

Albert Makamole

Wessel Hattingh

ITSA

David Hurtado

Patent and technology transfer especialist

SEMITI GU

Jacob Pittman

Intellectual-Property Law Attorney

NOVEL PATENT

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Amster Rothstein & Ebenstein's jobs

If you want to join these members, here are the open intellectual property positions :

Apprenticeship

French Patent Attorney

Seeking a Trademark Paralegal to support our team in filing, docketing, and client communications for global IP portfolios in a fast-paced, growth-focused firm.
Klarc IP
Hybrid +2
Partnership

Intellectual Property Attorney

Work as an Intellectual Property Counsel with our firm, supporting clients on trademarks, patents, and IP strategy in a dynamic international setting
Klarc IP
Hybrid

Meet Amster Rothstein & Ebenstein at events

Amster Rothstein & Ebenstein is located at 405 Lexington Ave Floor 48, New York, NY 10174, United States, but you can meet them at events. You’ll find the complete list below.

Innovation & Protection Forum

  • Hosted by Klarc IP
  • From Nov 28, 2025 @ 0:00
  • Paris
  • Online event

Global Patent Strategy Workshop

  • Hosted by Klarc IP
  • From Nov 19, 2025 @ 0:00

Innovation & Protection Forum

  • Hosted by Klarc IP
  • From Nov 28, 2025 @ 0:00
  • Paris
  • Online event

Global Patent Strategy Workshop

  • Hosted by Klarc IP
  • From Nov 19, 2025 @ 0:00

Innovation & Protection Forum

  • Hosted by Klarc IP
  • From Nov 28, 2025 @ 0:00
  • Paris
  • Online event

Global Patent Strategy Workshop

  • Hosted by Klarc IP
  • From Nov 19, 2025 @ 0:00

Latest news by Amster Rothstein & Ebenstein

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