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Marc is a rising star in the area. He's a very thoughtful and capable advocate who understands what works best before the judges and the courts.

Chambers and Partners 2025

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Marc Lauzeral

Partner

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Lawyer registered at the Paris bar

UPC Representative

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ml@schertenleib-avocats.com

  • LinkedIn - Black Circle

Marc Lauzeral is a lawyer at the Paris Bar and a Unified Patent Court Representative.

 

Marc’s practice is focused on complex cross-border patent, SPC and trade secrets disputes, as well as regulatory advice in the life sciences sector.

 

Marc has extensive experience at every stage of litigation, from preliminary injunction to final hearing, in first instance and in appeal before French courts and the Unified Patent Court where he advised clients before the French, German and Italian Divisions. 

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Before joining Schertenleib, Marc worked as a lawyer in a European IP boutique and in the IP/IT department of an international law firm. 

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​Marc was also Law Clerk for the intellectual property judges (3rd civil chamber) of Lyon District Court. This experience allowed him to prepare more than 50 IP cases for the judges, to attend hearings and deliberations, and to draft decisions.  ​​​

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Marc is fluent in French and in English.​

Education

​LL.M., Global Business Law, Columbia Law School

MSc in Experimental and Translational Therapeutics, University of Oxford (ongoing) 

Master II Intellectual Property Law, Jean Moulin Lyon III University

Master I Business Law, Jean Moulin Lyon III University

License degree in Private Law, Jean Moulin Lyon III University​

Affiliation 

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New York Intellectual Property Law Association;

American Intellectual Property Law Association,

AIPPI - Member of the UPC Standing Committee, LES, APEB 

What others say

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Next Generation Partner, Legal 500

Individuals: Litigation - Bronze - IAM Patent

Best lawyers : Ones to Watch

 Rising Star, IP Star, Managing IP

Publications

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​Saisie in front of the UPC: a practical guide, Journal of Intellectual Property Law and Practice, Oxford University Press, DOI 10.1093/jiplp/jpae077

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Contributor for France, France, Enforcement of Unified Patent Jurisdiction Decisions, Wolters Kluwer

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National rapporteur in 2018 and 2019 for question B, relating to intellectual property issues, of the LIDC Congress published by Éditions Springer

Significant public cases

Unified Patent Court​

  • Representing a generic company in the first application for provisional measures, and in proceedings on the merits, relating to an SPC covering a potassium channel blocker used in the treatment of walking impairment in multiple sclerosis (first UPC proceedings concerning an SPC) 

  • Represented a generic company in its intervention proceedings relating to a tyrosine kinase inhibitor used in the treatment of chronic myeloid leukaemia 

  • Represented a subsea testing operator before the Paris Local Division in seizure, validity and infringement proceedings (first UPC representative to plead before the Paris Local Division and first seizure order handed down by that Division)

  • Representing a dermo-cosmetics laboratory in litigation relating to a sunscreen range 

  • Strategic advisor to a global household appliance manufacturer in litigation relating to multicookers 

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Patent litigation before French national court

  • Representing a generic company in patent litigation relating to a proteasome inhibitor used in the treatment of multiple myeloma 

  • Representing a drug-delivery technology company in patent proceedings relating to a subcutaneous formulation of an anti-PD-1 monoclonal antibody used in oncology 

  • Represented a generic company in proceedings relating to an aryl urea compound used in the treatment of liver and kidney cancer 

  • Represented a generic company in patent infringement litigation relating to an S1P1 inhibitor used in the treatment of relapsing-remitting multiple sclerosis 

  • Represented a generic laboratory in patent litigation relating to an insulin glargine injection device

  • Represented a medical device manufacturer in a patent invalidity dispute relating to an ultrasound renal denervation device 

  • Represented a major retailer in a patent infringement dispute relating to laminates incorporated in diapers​

  • Represented a major global telephone manufacturer in patent infringement litigation relating to a presentation of information*

  • Represented an originator in a patent infringement action relating to a monoclonal antibody used in the treatment of hypercholesterolaemia*

  • Represented an originator in a patent infringement action relating to a monoclonal antibody used in the treatment of psoriasis*

  • Represented an originator in a patent infringement action relating to a statin*

  • Represented a food-ingredients company in patent litigation relating to a lactase enzyme*

  • Represented a major global toy manufacturer in patent infringement litigation relating to a sealing device*

 

Trade secrets

  • Represented a major player in aesthetic medicine against claims for trade secret misappropriation and under two patents relating to a process for manufacturing hyaluronic acid fillers 

  • Represented a leading investment company and a manufacturer of hydroalcoholic and professional cleaning solutions against trade secret misappropriation claims

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Life sciences regulatory

  • Representing a generic company in market-exclusivity litigation relating to a fumaric acid ester used in the treatment of relapsing-remitting multiple sclerosis 

 

* prior to Schertenleib

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