LAWYER PROFILE
Marjan Noor

Marjan Noor

Global 2026

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Ranked in 1 practice area

About

Provided by A&O Shearman

Global

Practice Areas

Marjan is a partner in the IP group with over 25 years of experience in patent litigation in the life sciences sector. She graduated with a degree in Medical Sciences and Pharmacology before going on to study law. She speaks extensively on a range of patent and regulatory topics and is a lecturer on Oxford University’s IP Diploma course on the topic of ‘Supplementary Protection Certificates’.

Marjan is recognised in the Hall of Fame for Life Sciences and Healthcare (Legal 500 2026) and is a Leading Individual in Intellectual Property (Legal 500 2026). She is Band 1 in both Intellectual Property and Life Sciences IP/Patent Litigation (Chambers 2026), and is ranked Gold for litigation in IAM Patent 1000 2026. Marjan is also recognised as a Patent Star in Managing IP's 2026 rankings and is ranked as a Thought Leader on the Lexology Index (formerly Who's Who Legal) for IP and Healthcare and Life Sciences: Patent Litigation. She is further recognised as Outstanding in the Patents category by WIPR 2026.

Chambers Review

Provided by Chambers

Chambers Global Guide

Intellectual Property: Patent Litigation - UK

Band 1
Band 1

Individual Editorial
Marjan Noor leads complex patent litigation for her high-profile life science sector clients. She is roundly considered one of the finest patent litigators working in biotech and pharmaceuticals today.

Strengths

Provided by Chambers

  • Marjan Noor is the market leading lawyer in my view, she does more high-quality work for big pharma companies in this jurisdiction than anyone else by my reckoning.

    Intellectual Property: Patent LitigationChambers Global Guide
  • Marjan Noor is very smart and user-friendly.

    Intellectual Property: Patent LitigationChambers Global Guide

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