Liz Cohen

Partner - Patent litigation

Liz’s background in natural sciences provides her with an excellent understanding of the technical and commercial issues facing those operating in the life sciences industry. With over 25 years’ experience, and known for her commercial savvy and technical polish, she is a sought after adviser for pharmaceutical, biotech and medical devices companies alike.

Liz has represented companies in the life sciences industry in patent matters in the English Courts all the way up to the Supreme Court. With her extensive experience of coordinating cross-border litigation within Europe, and her knowledge of jurisdictional strategy and procedure, Liz is also a key member of our team of English and European qualified IP specialists regularly advising clients on their approach to, and participation in, the Unified Patent Court.

She has developed her high profile and expertise by working for leading companies in the sector including:

  • Representing Les Laboratoires Servier in patent infringement and revocation proceedings where she used her Higher Rights advocacy qualification to secure an interim injunction at short notice in relation to Servier’s ACE inhibitor Perindopril market. She took this matter all the way to the Supreme Court and a subsequent damages enquiry in the UK.
  • Representing Smith & Nephew Plc in patent infringement and revocation proceedings in relation to technology in its antimicrobial wound management devices resulting in several appeals including to the Supreme Court, a case recognised for its significance by The Lawyer Awards winning Liz and her team TMT team of the year.
  • Representing Fresenius Kabi in patent litigation proceedings in relation to its patents for biosimilars of Adalimumab.
  • Representing Chiesi Farmaceutici SpA in patent infringement and revocation proceedings in relation to its market leading inhaler formulation Fostair against several generics.

Liz is qualified as a solicitor advocate, a qualification that gives her full rights of audience in civil court cases enabling her to represent her clients in court without the need to instruct a barrister.

Liz is a member of CIPA, EPLAW and EPLIT. She is also an established Tutor and Examiner on the Post Graduate Diploma in Intellectual Property Law & Practice at Oxford University (invitation only).

Credentials

  • MA Natural Sciences, University of Cambridge
  • Diploma in Intellectual Property Law and Practice, University of Bristol
  • Qualified 2001
  • Solicitor Advocate 2005
  • Partner 2008
  • Joint Managing Partner 2017 – 2023
  • The Law Firm Partner as Leader Judge Business School, University of Cambridge, 2017

What others say

“Immensely experienced and accomplished litigator Liz Cohen makes all the right strategic moves to secure vital victories for her following.” IAM Patent 1000 2024
"Liz Cohen is excellent. She is incredibly commercially astute, very good at anticipating the opposing party's plans and coming up with strategies." Chambers and Partners 2024
“Liz Cohen is understated and calm but really knows her stuff and has very sound judgment.” Legal 500 2024
“Liz Cohen is a distinguished lawyer with a wealth of experience advising and representing clients in all life sciences matters.” Who's Who Legal 2023
“Liz Cohen has over 20 years of experience and is highly sought after for her relevant, commercially savvy and technically polished advice.” IAM Patent 1000 2023
“Liz Cohen is one of the best lawyers and experts we could have to support our business.” Chambers and Partners 2023
“Liz Cohen counsels sector clients on patent litigation and registry strategies. She has extensive experience with regard to small molecule and biosimilar patents. She has extensive experience of coordinating disputes across different jurisdictions.” Chambers and Partners 2023
“Liz Cohen has an impressive reputation in the life sciences sector for her masterful handling of patent disputes. She is highly sought after to marshal international litigation campaigns.” Chambers and Partners 2023
“Liz Cohen is a solid litigator.” Chambers and Partners 2023
“Excellent litigator, commercially savvy, great team leader/management, unflappable and charming.” Legal 500 2023
“A very safe pair of hands”. Juve UK 2023
“Liz Cohen is skilled from a technical point of view, with a bachelor's degree in biochemistry. She is clear and precise in moving the discussion forward, focused on the practical agenda and therefore able to implement strategy effectively.” Chambers and Partners 2022
Liz Cohen “benefits from qualification as a solicitor advocate.” IAM Patents 1000 2022
“Especially strong in pharmaceutical litigation.” Juve UK 2022
"Liz is always up to date and ready to take further steps in supporting the client." Chambers and Partners 2021
“Liz Cohen counsels sector clients on patent litigation and registry strategies. She has extensive experience with regard to small molecule and biosimilar patents. She has extensive experience of coordinating disputes across different jurisdictions.” Chambers and Partners 2022
"Her [Liz Cohen] skills and attitude contribute to establishing an easy and effective professional relationship, which results in positive outcomes." Chambers and Partners 2021
"Liz Cohen has extensive experience with regard to small molecule and biosimilar patents." Chambers and Partners 2021
"She [Liz Cohen] is an amazing expert in litigation." Chambers and Partners 2021
Liz Cohen is "highly sought after to marshal international litigation campaigns." Chambers and Partners 2021
Liz Cohen has a "masterful handling of patent disputes". Chambers and Partners 2021
"Liz Cohen has an impressive reputation in the life sciences sector." Chambers and Partners 2021
Liz Cohen is "a very good lawyer with excellent strategic skills.“ Juve UK 2021
“If we have a conflict, Liz is our go-to.” Juve UK 2021
"Liz Cohen is a key name in the biosimilar space." Legal 500 2021
Liz is a "very effective team leader who knows when to delegate." Legal 500 2021
"Liz Cohen and Robert Burrows are very impressive, communicating clearly and being very astute when it comes to protecting their client’s interests." Legal 500 2021
Liz Cohen is "a really good strategic thinker with an ability to develop litigation strategies that achieve her client’s commercial objectives." Legal 500 2021
"Liz Cohen is incredibly calm under pressure" Legal 500 2021
"Strikes exactly the right balance between pragmatism and aggression.” IAM Patent 1000 2021
“Once a client works with Liz, they don’t tend to go anywhere else." IAM Patent 1000 2021
"She has a clear strategic overview of a case, steers litigation in a direction consistent with commercial objectives." IAM Patent 1000 2021
"Provides astute guidance on a regular basis." IAM Patent 1000 2020
Liz is "a life sciences doyenne whose qualification as a solicitor-advocate comes in extremely handy at the High Court" IAM Patent 1000 2020
"Exceptionally talented" Who's Who Legal Patents 2020
Liz Cohen's "extensive experience and technical background allows her to be supercompetent and reliable" Who's Who Legal Patents 2020
Liz Cohen "is extremely thorough and a very robust litigator." Chambers and Partners 2020
"She [Liz Cohen] is very charming and absolutely focused on strategy and market dynamics." Chambers and Partners 2020
"Liz Cohen has an impressive reputation in the life sciences sector for her masterful handling of patent litigation." Chambers and Partners 2020
"outstanding" Liz Cohen Legal 500 2020
"Liz Cohen is joint head of life sciences and is frequently called upon by medical device and pharmaceutical manufacturers to handle complex patent litigation, often across jurisdictions. An area of recent focus has been spearheading the firm's advisory services on the implications of the proposed Unitary Patent and the Unified Patent Court." Chambers and Partners 2019
"Liz Cohen concentrates on life sciences patent disputes, often cases spanning multiple jurisdictions. She has litigated before courts at all levels, including the UK Supreme Court." Chambers and Partners 2019
"The hard graft that Liz Cohen puts in pre-trial is reflected in a sublime track record; she has made a name for herself at courts across the land." IAM Patent 1000 2018
Liz Cohen is "a brilliant lawyer and a leader in her field" according to respondents who appreciate her impeccable understanding of the technical and commercial issues faced by her clients. Who's Who Legal 2018
Liz Cohen advises life sciences companies on multi-jurisdictional patent litigation. Sources say: "She is just fantastic with clients, very good at explaining things in a way they understand and very calm under pressure." Chambers and Partners 2018
Liz Cohen manages complex, cross-border patent litigation for medical device and pharmaceutical manufacturers. "She is just fantastic with clients and very calm under pressure," according to commentators. Chambers and Partners 2018

Recommended For

Intellectual Property Law and Life Sciences Law

Patent Litigation

Life Sciences: Patent Litigation

Intellectual Property: Patents

Life Sciences and Healthcare (Leading Individual)

Life Sciences (Europe-wide) (Notable Practitioner)

Intellectual Property: Patent Litigation

Life Sciences: IP/Patent Litigation

Patent Litigation

Intellectual Property

Patents

Firm Management

Life Sciences: Patent Litigation

Top 250 Women in IP

Patent Litigation

Patent Litigation

Intellectual Property: Patent Litigation

Life Sciences: IP/Patent Litigation

Patent Litigation (leading individual)

The Top 250 Women in IP

Intellectual Property: Patent Litigation

Intellectual Property: Patents (contentious and non-contentious)

Patent Litigation

Intellectual Property Law

Related Articles