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Leading the way.

A go-to firm for contentious matters in the EU, particularly for software or internet-related issues.

PETILLION is a high-quality service provider which can handle the work of much larger firms but at far lower rates.

Running the show is “the brilliant litigator and arbitrator Flip Petillion, who is a true expert in the field of internet policy and disputes. Personally handling cases, he is a partner to his clients and is preeminent in his skill and professionalism”.

WTR 1000 2020

World Trademark Review

Flip Petillion is a talented, smart, and cost-effective practitioner who achieves the right results. Clients appreciate that he is able to take a complicated subject and translate it into simple analysis. 

Chambers and Partners

Flip PETILLION is listed in the HALL of FAME and ranked LEADING INDIVIDUAL in Legal500 IP.

Legal 500 EMEA 2019 - IP

PETILLION is highly regarded for its expertise in IP litigation. The firm's copyright practice, which handles software, content and database protection matters, is another key strength.

Legal 500 EMEA 2019 - IP

The strategic, commercial and very quick team PETILLION combines all the flexibility of a small firm with very experienced attorneys with wide-ranging knowledge spanning the IT and telecoms sectors. The group is praised for being comfortable working at the place where IP and digital meet, with a great understanding of issues from GDPR to online anti-counterfeiting.

Legal 500 EMEA 2019 - IT & Telecoms

An authority on internet-related trademark matters. Three decades of experience in litigation and alternative dispute resolution and an absolutely first-class service.

WTR 1000 2019

World Trademark Review

Highly Recommended in International Arbitration.

Leaders League

International Arbitration

Highly Recommended in Commercial Litigation.

Leaders League

Commercial Litigation

Flip Petillion is an Excellent Arbitrator.

Leaders League

Belgium Best Arbitrator

PETILLION excels in IP litigation, and has carved out a niche for TLDs and domain names.

Legal 500 EMEA 2018

PETILLION has an impressive TMT practice, with a particular niche in top-level domains (TLDs).

Legal 500 EMEA 2018

PETILLION resolves disputes expeditiously, preferably without the need for a procedure. That is exactly what they promised.

Cecilia Emanuelson


Achieving great results. Flip Petillion is a leading individual. Knowledgeable and experienced. A real team leader.

Legal 500 EMEA 2017

An incredible resource and very authoritative. Flip Petillion is extremely measured and thoughtful. His advice is spot-on.

Chambers Europe

Brilliant. PETILLION has a wealth of alternative dispute resolution experience. Flip Petillion is acknowledged as among the best on the market for complex contentious matters. An outstanding litigator.

World Trademark Review 1000

Flip Petillion is an IP star.

Managing Intellectual Property

Top ranked. Excellent Arbitrator. Excellent in IP. Excellent in trademark litigation.

Leaders League


World Intellectual Property Review

Top-Tier ranking.

Media Law International

Flip Petillion has been named to the U.S. National Law Journal's 2017 list of 'Intellectual Property Trailblazers.' The list profiles lawyers who have made significant marks in the patent, copyright, trademark, and trade secret law arenas.

U.S. National Law Journal Intellectual Property Trailblazers

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