LAWYER PROFILE

Josefine Sommer

Europe 2026

Sidley Austin LLP

Ranked in 1 practice area

Life Sciences: EU

Belgium

2 years ranked

About

Provided by Sidley Austin LLP

Practice Areas

JOSEFINE SOMMER is an experienced EU regulatory and compliance lawyer advising biotechnology, pharmaceutical, and medical device/IVD clients. Her practice encompasses life cycle management, advising innovators including clinical stage companies on pre- and post-market regulatory and compliance issues, market access strategies, and interactions with the EU competent authorities. Josefine advises clients on strategic pathways for marketing authorizations, IP regulatory rights, and market access. She counsels clients on relevant EMA procedures, including regulatory risks and considerations for novel products and related strategic advice. Josefine also advises on cross border compliance issues, including advertising and promotion, interactions with HCPs , etc.

Chambers Review

Provided by Chambers

Chambers European Guide

Life Sciences: EU - Belgium

Up and Coming

Individual Editorial

Josefine Sommer operates a varied practice in the life sciences sector, with experience in clinical trials, market authorisations and disputes. She boasts particular skill advising on compliance with EU regulations. Her client list comprises global pharmaceutical companies and medical manufacturers.

Learn more about this team View ranking table

Strengths

Provided by Chambers

She displays outstanding management of pharmaceutical cases all over the EU.
Life Sciences: EUChambers European Guide
Her responsiveness and ability to give advice on complex matters make her stand out.
Life Sciences: EUChambers European Guide
Josefine is so helpful with everything. She is incredibly practical and has very good judgement. She is always willing to jump in very quickly to help us think through things.
Life Sciences: EUChambers European Guide
Josefine Sommer has an excellent understanding of the medical device regulatory framework, as well as how the device industry operates. She provides practical advice that can really help us move forward.
Life Sciences: EUChambers European Guide
Josefine Sommer stands out for her comprehensive and strategic advice across the product life cycle under EU law.
Life Sciences: EUChambers European Guide