Lawyers at the Paris Bar


10 avenue de l'Opéra, 75001 PARIS

Tel.: +33 (0)1 42 22 10 11


Lawyers: counsel and litigation

BRANCHE MASSET HERMANN ASSOCIÉS is a law firm specialized in Business Law, Labor Law and Real Estate Law.

Located in the heart of the Paris business district, on avenue de l'Opéra, our firm offers to its clients a personalized follow up of their files, and the size of its structure makes it easy to do so. It is a strategic choice, as our partners all worked in larger international law firms.

Our clients are mostly French and foreign companies and their subsidiaries located in France, as well as French and foreign individuals.

Our Firm is a member of the international network of lawyers LAWorld, active in more than 90 cities worldwide. This network allows our firm to assist its clients and provide them with a quick access to quality legal advice in all five continents.

Our lawyers

Our Law Firm is composed of partners and associates and integrates also the expertise from Of Counsels lawyers.

Jean-Michel Branche | Lawyer


Admitted to the Paris Bar in 1983, Master in European Law from the Paris I Panthéon Sorbonne University, former student of the Politics Studies Institute of Paris (1982), Masters in Law from New York University (1987), arbitrator at the International Chamber of Commerce of Paris, National Defense High Studies Institute – IHEDN (2006), Paris Mediation and Arbitration Center – CMAP (2008).

legal specialities

  • Commercial Law, Business Law and Competition Law (Paris Bar Specialization) (+)
  • Real Estate (+)
  • International and European Union Law (Paris Bar Specialization) (+)

work languages

  • French
  • English

Valérie Masset | Lawyer


Admitted to the Paris Bar in 1990, Masters in Transportation Law and Economics (1985), PhD in Economics from the Paris I Panthéon Sorbonne University (1987).

legal specialities

  • Business Law (+)
  • Labor Law (+)

work languages

  • French
  • English
  • Spanish

Éléonore Hermann | Lawyer


Admitted to the Paris Bar in 2010, DEA in Criminal Law and Advanced Criminal Procedure (2007), and Master 2 in Criminal Business Law (2008).

legal specialities

  • Business Law (+)
  • Criminal and Business Criminal Law (+)
  • Family Law
  • Personal injury

work languages

  • French

Chantal Captier | Lawyer


Admitted to the Paris Bar in 1994, Master in Management and Tax Law of the University Dauphine Paris IX.

legal specialities

  • Fiscal Law (+)
  • Corporation Law (+)

work languages

  • French
  • English

Maagano Wa Nsanga Allegret | Lawyer


Admission Paris Bar in 2009, Master's degree in Public Transportation Law Toulouse I, PhD Public Service Law in France/USA - University of Toulouse / University of Berkeley (California).

legal speciality

  • Public Service Law
  • Public Transportation Law

work languages

  • French
  • English

Guy Soussan | Of Counsel


Admitted to the Paris and Brussels Bars, LL.M. from New York University (1987).

legal speciality

European Insurance Law

Legal activities

Our legal activities :

Commercial Law and Business Law

  • Contract negotiation.
  • Debt collection.
  • Liability Law.
  • Competition Law.
  • Intellectual Property Rights Law.
  • Recevership or liquidation.
  • IT Law: contract negotiation and litigation.

Fiscal Law and Corporate Law

  • Starting a business, status modification, transformation.
  • Tax Law consultant.
  • Personal taxes.
  • Assistance in tax inspection.
  • Transaction, litigation, recovery.
  • Legal framework (assembly, financial review…)

Patrimonial Family Law

  • Wealth Engineering
  • Management Civil Company, Real Estate Civil Company.
  • Transfer, gifts, division of ownership, agreements.
  • National and International Assets Optimization.
  • Matrimonial Regimes.

Administrative Law

  • Administrative contracts.
  • Administrative liability Law.
  • Administrative litigation.

Banking Law

  • Banking Law litigation.

General Private Law

  • Advice and litigation for French and foreign private individuals.

Labor Law

  • Advice and litigation for companies and employees.
  • Preparation of labor contracts and other labor documents.
  • Termination of labor contracts.
  • Negotiations and settlements.
  • Assistance and representation before the Labor Courts, Social Security Courts and Courts of Appeal.

Real Estate and Environmental Law

  • Commercial lease.
  • Rental lease.
  • Professional lease.
  • Eviction Law.
  • Land and building purchase follow up.
  • Environmental Law.

Business Criminal Law

  • Business Criminal Law.
  • Criminal litigation relating to business as fraud, embezzlement.

International Law

  • Contract negotiation
  • Procedure follow up .
  • Legal advice on international projects.

Arbitrage and mediation

  • Arbitration procedure follow up as a lawyer or as an arbitrator.
  • Business mediation as a lawyer or as a mediator.


We support you in your projects abroad thanks to our international network.


LAWorld is a non exclusive worldwide network of medium sized-law firms specialized in business law.

LAWorld thus gathers 850 lawyers in the world, through more than 55 law firms in more than 90 cities.

BRANCHE MASSET HERMANN ASSOCIÉS is the member of LAWorld for France and thus has an international activity which, in particular, allows it to provide its clients with support for their projects abroad.

For any further information on LAWorld, please contact us and visit its website

Legal fees

Legal fees are fixed in advance with the client, in a totally transparent way, allowing a total control of all costs. Legal fees can vary depending on time, difficulty of the file and economic and financial stakes.

flat rate

In a case where a budget can be determined in advance, a flat rate can be put forward. It is often the case in recurrent cases or cases that do not present any technical difficulties in particular.

legal fees
according to time spent

In a specific or sensitive case, a counsel, a legal construction where the amount of time cannot be determined in advance.

contingency fees

Sometimes, it is possible to contemplate a legal fees depending on the results. However, such legal fee can only be complementary to another legal fee.

Contact us

Do not hesitate to contact us for any request.
Cabinet Branche, Masset, Hermann Associés
10 avenue de l'Opéra
75001 PARIS

metro ligne 1 ligne 7 Palais Royal - Musée du Louvre
metro ligne 7 ligne 14 Pyramides

+33 (0)1 42 22 10 11
+33 (0)6 09 69 66 73

Branche, Masset, Hermann Associés © 2022Legal notice