LAWYER PROFILE
Jack B Blumenfeld

Jack B Blumenfeld

USA 2026

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Ranked in 1 practice area

About

Provided by Morris, Nichols, Arsht & Tunnell LLP

USA

Practice Areas

With 40 years of patent litigation experience, Jack has built a reputation as a “dean of the Delaware bar” (Chambers USA 2020). Jack has handled a unique mix of lead counsel, Delaware counsel, and co-counsel roles. Clients have turned to him in situations with a high risk of exposure that demand a thorough understanding of the complex legal and technical issues involved.

Jack’s extensive experience includes pharmaceutical, medical product and biotechnology matters, as well as technology disputes involving computers, software and telecommunications. He has tried cases in various district courts and argued before the US Court of Appeals for the Federal Circuit.

Career

Law Clerk to the Honorable Walter K. Stapleton, US District Court for the District of Delaware (1977-1979)

Professional Memberships

American Bar Association; Delaware State Bar Association; Federal Circuit Bar Association

Education

Yale Law School

JD

1977

State University of New York at Albany

BA, psychology

1974

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Intellectual Property - Delaware

Senior Statesperson
Senior Statespeople

Individual Editorial

Jack Blumenfeld offers unrivalled expertise in IP matters. He frequently litigates high-stakes pharmaceutical and technology patent infringement cases on behalf of major companies.

Strengths

Provided by Chambers

  • Jack's strategic insights can't be matched. He's also an excellent litigator on his feet in court, at hearings and at trial.

    Intellectual PropertyChambers Guide to the USA
  • Jack is wonderful and gives great advice.

    Intellectual PropertyChambers Guide to the USA
  • Jack always delivers the highest level of service. He is beyond responsive.

    Intellectual PropertyChambers Guide to the USA

Ranked Individuals at Morris, Nichols, Arsht & Tunnell LLP (28)

Delaware

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