David is a litigator with more than 20 years of experience, whose practice concentrates primarily on complex and cross-border patent disputes.
 

He is recognized as a leading practitioner by all major directories, and presides the Association des Praticiens Européens des Brevets. 

He represents clients in a wide variety of industrial sectors, with a particular focus on hi-tech, telecommunications and electronics. David has notably represented leading actors in the telecommunications patent wars. He also advises on validity and freedom-to-operate issues.

David has also become a specialist of the interplay between intellectual property and competition law. He co-organises one of the main conferences on standard-essential patents and FRAND licenses, a topic on which he is regularly invited to speak at industry conferences. He also co-authored the training manual for future UPC judges.

Experience

Pro bono

Advising Mozaik RH, an NGO focusing on fighting inequality and discrimination in the job market, on the creation of an application matching job applicants from disadvantaged backgrounds and companies offering openings

Published Work

  • Co-author of the sections of the training manual for UPC judges on the patentability of pharmaceutical and biotechnological inventions and on Articles 123(2) and 123(3) EPC
  • Changes in the global patent litigation landscape: The impact of the UPC, Martch 2024
  • UPC Insights: Divisions disagree on rules for service on non-European defendants, January 2024 
  • UPC Paris Central Division to decide on whether affiliates are the “same party” as their parent, October 2023 
  • Half an hour for a bifurcation: UPC Central Division rejects preliminary objection after first oral hearing, August 2023
  • What does the UPC mean for patent litigation ? May 2023 
  • First French anti-anti-suit injunction: don’t tell me what I cant’t do! 
  • Inventions de salaries, De l’innovation au brevet : l’émergence du droit de propriété, La Semaine Juridique, September 2018
  • SEP owners and their FRANC obligations, Intellectual Property Magazine, November 2015
  • CJEU ruling in Huawei/ZTE leaves the door open to injunctive relief in SEP litigation, Allen & Overy publication, July 2015
  • Spain v UPC: pragmatic ruling sees CJEU step away from patents, IP Magazine, May 2015
  • CJEU gives green light to implementation of the Unified Patents Court, Allen & Overy publication, May 2015
  • Advocate General Wathelet takes the 'middle path' in Huawei v ZTE, Allen & Overy publication, November 2014
  • The 17th cut of the UPC Rules of Procedure: the highlights, Allen & Overy publication, November 2014
  • Adapter la justice à la vie des affaires, Le Nouvel Economiste, October 2014
  • Weighed and measured, but will it be found wanting? Where is the CJEU with Spain’s legal challenge to the unitary system?, IPPro Magazine, August 2014
  • Spain acts the CJEU to annul the new unitary patent system, E-Commerce Law & Policy, July 2014
  • La juridiction unifiée du brevet (JUB) reçoit un soutien croissant des entreprises, Options Droit et Finance, July 2014 co-authored with Laëtitia Bénard
  • Overview of Life Sciences Law in France, Chambers and Partners Guide of Life Sciences 2013, co-authored with Laëtitia Bénard, Olivier Fréget and Olivia Klimis
  • Guilty even when proved innocent, Managing Intellectual Property, December 2010- January 2012
  • Recent evolutions and foreseeable trends of French product liability rules: apocalypse later?, Revue internationale de droit comparé, April-June 2002, co-authored with Olivier Debouzy
  • Product liability: French law under scrutiny, Les Echos, May 2002

Leadership Positions And Professional Affiliations

  • Member of the Association des Juristes de Sciences Po.
  • Member of the Association des Praticiens Européens des Brevets (APEB)
  • Member of the International Association for the Protection of Intellectual Property (AIPPI) – French group

Recognition

David Por has become a prominent figure of the French patent world
Chambers Global, Intellectual Property: Patents, 2024
Highly dedicated, multilingual, top for UPC cases
Juve Patent France, 2024

Awards

  • Band 2, Intellectual Property: Patents, Chambers Global, 2024
  • Gold, IP/Patent, IAM Patent 1000, France, 2023
  • Global Leader, National Leader, Who's Who Legal, Patents and Life Sciences, France, 2023
  • Band 3, Intellectual Property: Patents, Chambers Global/Europe, France, 2023
  • Leading Individual, Intellectual Property: Patents, Legal 500 EMEA, France, 2023
  • Band 3, Intellectual Property: Patents, Chambers Global/Europe, France, 2022

Qualifications

Admissions

Admitted to the Bar, Paris, 2003

Academic

Graduate Degree, International and European Law, University of Paris X (Nanterre), 2000

Sciences Po Paris, 1998

Languages

English, French
Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.