Department profile
Marks & Clerk

Intellectual Property: Patent Litigation

UK Guide 2026 : London (Firms)

Share profile

Marks & Clerk

Rankings

Chambers Review

Provided by Chambers

Intellectual Property: Patent Litigation - London (Firms)

Band 3

What the Team is Known For

Marks & Clerk is a dedicated IP firm noted as a regular presence in the patent courts, fighting cases for leading electronics, engineering and pharmaceutical companies. Clients benefit from the firm's strong relationship with its sister patent and trade mark attorney firm.

View ranking table

Work Highlights

Provided by Chambers

  • Marks & Clerk Law represented Pfizer on a complex three patent revocation action against GSK relating to the rollout of RSV vaccines.

Strengths

Provided by Chambers

  • They are well organised and clearly explain legal concepts and processes to lay participants. Their team has great breadth with clearly defined roles that are openly communicated.

    Intellectual Property: Patent Litigation respondentUK

  • They have a high level of expertise, work well as a team and are able to handle complex, high-stakes cases.

    Intellectual Property: Patent Litigation respondentUK

  • The team is very enjoyable to work with: they are accessible, proactive and responsive. They are also pragmatic in their approach.

    Intellectual Property: Patent Litigation respondentUK

Notable Practitioners

Provided by Chambers

  • Mike Gilbert
    Mike Gilbert

    Mike Gilbert

    Mike Gilbert is recommended for his expert handling of complex life sciences patent litigation. He is highly regarded for his practice specialism in SPCs and biopharmaceutical patents.

    • Mike Gilbert handles complex cases very well, builds a strong team, is easy to work with and is results-oriented.

      Intellectual Property: Patent Litigation respondentUK

    • Mike has provided insightful clarification on multiple occasions over the past year.

      Intellectual Property: Patent Litigation respondentUK
    View profile

Ranked Individuals at Marks & Clerk (1)

London (Firms)

Marks & Clerk has rankings in the following guides

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership