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Cabinet d'Avocats au service de la Propriété Intellectuelle

a law firm

specialized in Intellectual Property in France and abroad

a human scale

firm

a reactive

team

international

skills

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Law offices Kopacz in a few words

The “youthful, energetic and driven” trademark practice at this boutique “impresses with its success rate in contentious matters”. Internationally admired as “great to work with”, the firm is “quick, precise and very good at proving the repute of a famous mark and enforcing it against dilution”.
Eponymous partner William James Kopacz has reaped renown for his defence of marks owned by US high-technology companies, among other matters.

World Trademark Review – The World’s Leading Trademark Professionals 2012

Areas of Expertise

What we can do for you

Trademarks

Trademarks

Cabinet Kopacz brings its expertise to all facets of trademark law

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Trademarks

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Law Office Kopacz brings its expertise to all facets of trademark law, offering the following services:

Protection of your marks:

  • legal audit of your marks 
  • implementation of surveillance so as to be able to act quickly against possible attacks on your marks
  • determination of filing strategies in terms of territories and products and services covered
  • prior art searches to identify and limit potential risks associated with the use and filing of a trademark
  • national trademark filings
  • European Union trademark filings 
  • filing of international trademark registrations
  • management of registration procedures, including preparation and filing of responses to formal and substantive objections of intellectual property offices (INPI, EUIPO, WIPO)
  • renewal of trademark registrations
  • recordals with the intellectual property offices (change of name, change of address, transfer of property ...)

 Exploitation and valuation of your trademarks: 

  • negotiation and drafting of assignment contracts
  • negotiation and drafting of licensing contracts
  • negotiation and drafting of coexistence contracts

Defense of your trademark rights in all disputes: 

The Cabinet tries above all to resolve disputes amicably. One of the great strengths of the Office is to solve the majority of cases it handles amicably, which saves you time and money.

If an amicable resolution of the dispute proves impossible, the Office assists and represents you in the following procedures:

  • administration procedures before the National Trademark Office (INPI), such as opposition procedures
  • administration procedures before the European Trademark Office for Intellectual Property (EUIPO), in particular opposition procedures, invalidity procedures and cancellation procedures
  • legal procedures before national civil and criminal courts, in particular to respond to acts of counterfeiting
  • procedures for notifying trademark infringement on online sales platforms and social networks
Commercial names

Commercial names

Protection, exploitation and defense of your corporate names, trade names and shop signs

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Commercial names

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Cabinet Kopacz assists you and advises you in the protection, exploitation and defense of your corporate names, trade names and shop signs, including the following:

  • legal audit of the signs designating your company (corporate names, trade names and signs)
  • implementation of surveillance to be able to react quickly to possible infringements to your rights
  • negotiation and drafting of contracts concerning the signs designating your company
  • advice and support in all types of litigation, including the search for amicable solutions
  • representation and accompaniment in all legal actions, as plaintiff or in defense
Domain names and Internet law

Domain names and Internet law

Protection and defense of your domain names and issues related to the internet

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Domain names and Internet law

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Cabinet Kopacz advises and supports you for the protection and defense of your domain names and issues related to the internet:

Advice and assistance in:

  • management and protection strategy of domain name portfolios
  • reservation of domain names
  • implementation of domain name monitoring
  • compliance with the regulations on the protection and processing of personal data

Negotiation and drafting of:

  • domain name assignment contracts
  • general conditions of sale or use of an Internet site
  • legal notice of an Internet site

Representation and assistance within the framework of:

  • request for disclosure or verification of a domain name holder with AFNIC or EURid
  • SYRELI and UDRP procedures following the bad faith reservation of a domain name similar to your distinctive signs
  • legal actions following the reproduction or imitation of a domain name
  • questioning the responsibility of internet providers (content editors, hosting providers, access providers).
Copyright

Copyright

Cabinet Kopacz advises and accompanies you in the protection, exploitation and defense of your copyrights

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Copyright

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Cabinet Kopacz advises and accompanies you in the protection, exploitation and defense of your copyrights offering the following services:

  • negotiation and drafting of copyright assignment contracts
  • negotiation and drafting of copyright license agreements
  • submission of requests for customs surveillance and intervention in respect of copyright
  • advice and support in all types of litigation, in particular the search for amicable solutions
  • representation and accompaniment in all legal actions, as plaintiff or in defense
Designs

Designs

Protection, exploitation and defense of your designs and models

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Designs

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Cabinet Kopacz advises and accompanies you in the protection, exploitation and defense of your designs and models offering the following services: 

Constitution and management of design portfolios

  • determining filing strategy
  • prior art searches to identify and limit the potential risks associated with the use and filing of designs and models
  • filing and renewal of your designs and models at the competent offices (INPI, EUIPO, WIPO)

Exploitation and valuation of your designs and models:

  • negotiation and drafting of assignment contracts
  • negotiation and drafting of licensing contracts

Protection and defense of your designs and models:

  • implementation of surveillance to be able to react quickly to possible infringements to your rights
  • advice and support in all types of litigation, including the search for amicable solutions
  • negotiation and drafting of settlement agreements,
  • representation and accompaniment in all administrative procedures before the intellectual property offices (INPI, EUIPO, WIPO)
  • representation and support in all litigation proceedings before the national civil and criminal courts, as plaintiff or in defense
Patents

Patents

Cabinet Kopacz advises and represents you in patent law, in partnership with intellectual property attorneys

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Patents

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The Office advises and represents you in patent law, in partnership with intellectual property attorneys.

Protection of your inventions:

  • determination of filing strategies in terms of territories
  • preparation of patent filings
  • management of employees' inventions
  • payment of annuities

Exploitation and valuation of your patents:

  • writing confidentiality agreements to avoid disclosing your inventions
  • writing research and development agreements
  • negotiation and drafting of sale contracts
  • negotiation and drafting of license agreements
  • negotiation and drafting of co-ownership agreements

Defense of your patents in all disputes:

The Cabinet tries above all to resolve disputes amicably. One of the great strengths of the Office is to solve the majority of cases it handles amicably, which saves you time and money.

If an amicable resolution of the dispute proves impossible, the Office assists and represents you in the following procedures:

  • administrative proceedings before the National Commission for Employee Inventions (CNIS)
  • legal proceedings, particularly in the context of counterfeiting actions and non-infringing actions
Unfair competition and parasitic activity

Unfair competition and parasitic activity

Cabinet Kopacz advises you in all problems of unfair competition and parasitic activity

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Unfair competition and parasitic activity

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The Office advises you in all problems of unfair competition and parasitic activity such as:

  • recovery of functionality and / or presentation of your website,
  • illegitimate reservation of domain names,
  • recovery of all or part of your general conditions

The Cabinet tries above all to resolve disputes amicably. One of the great strengths of the Office is to solve the majority of cases it handles amicably, which saves you time and money.

If an amicable resolution of the dispute proves impossible, the Office assists and represents you before the national civil courts in the context of actions in unfair competition and parasitic activity.

Customs procedures

Customs procedures

Setting up customs supervision at the borders of the European Union and on the national territory

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Customs procedures

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Cabinet Kopacz assists you in setting up customs supervision at the borders of the European Union and on the national territory, offering you the following services: 

  • filing of applications for customs intervention in regard to trademarks, designs, copyrights or patents
  • correspondence with customs to ensure the best protection of your rights
  • handling the procedures for withholding goods that may infringe your rights
Image and personality rights

Image and personality rights

Cabinet Kopacz advises and represents you in the area of exploitation and defense of personality rights

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Image and personality rights

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The Office advises and represents you in the area of exploitation and defense of personality rights, offering you the following services: 

  • negotiation and drafting of contracts for the exploitation of personality rights (image, name ...)
  • negotiation and drafting of agency contract (artistic agency, model and sports agency)
  • assistance and representation in actions to stop all types of infringements of privacy or the right to  image on the internet (social networks, blogs) or any other support, including through emergency summary judgment procedures 
Meet our experts

A team at your service

Attorney

William James Kopacz

William James Kopacz

Fermer
Attorney

Member of the Paris, Virginia, and California Bars, the European Patent Office, the United States Patent and Trademark Office.

Practice:

Intellectual property law, including, trademarks, design, patents and copyright law, and Internet related matters.

Experience includes advising multi-national clients such as, Facebook, Visa, Porsche, 3M, WhatsApp, Intuit, Gilead, LexisNexis, Instagram, Verisign, DIVX, Celgene, USB.

The firm has tried hundreds of intellectual property lawsuits over the past 20 years.

Education and professional experience:

  • Georgetown University Law School 
  • Research Fellow Max Planck Institute for Industrial Property Law, University of Munich
  • Bachelor of Science in Electrical Engineering, University of Illinois 
  • Registered U.S. Patent Attorney
  • Registered attorney at the European Patent Office

Languages:

  • English
  • French 
  • German

Representative Publications:

  • Sweet and Maxwell’s European Trade Mark Litigation Handbook – 1998, Contributor Chapter 6 France.
  • The European Patent Attorney qualifying examination: An American perspective – 1987 – Journal of the Patent and Trademark Office Society – 1987 Vol 69 No 1 p 47-58.
  • Les œuvres d’origine étrangère et la mention du copyright (copyright notice) aux Etats-Unis – 1986 – Revue du Droit de la Propriété Industrielle – 1986 No 5 p 19-25.
  • Tobacco trade marks in France: The effect of the new law – 1980 – European Intellectual Property Review – 1980 Vol 2 July p 219-224.
  • United States patent rights as affected by foreign admissions and rulings – 1976 – International Review of Industrial Property (IIC) – 1976 Vol 7 No 3 p 332-358, Max Planck Institute.
  • Experience in Taking the European Patent Attorney Exam, Journal of the Patent Office Society.

Associations:

  • INTA (International Trademark Association)
  • APRAM (the French Trademark and Design Professionals Association)
  • ECTA (European Communities Trade Mark Association)
  • AIPLA (American Intellectual Property Law Association)

Attorney

Nathalie Ruf

Nathalie Ruf

Fermer
Attorney

Member of the Paris Bar since February 16, 2005

Member of Cabinet KOPACZ since 2005, Nathalie works as an advisor and litigator in all areas of intellectual property, in particular trademarks, designs, models, domain names and unfair competition.

Education:

  • Certificate of aptitude for the profession of attorney (Professional Training School of the Bars of the Court of Appeal of Paris)
  • Masters 2 in Industrial Property Law (University of Paris II - Panthéon Assas)
  • Masters 2 in Civil law (University of Paris II - Panthéon Assas)
  • Masters 1 of Civil Law (University of Paris II - Panthéon Assas)
  • Bachelor of Law Degree (University of Reims - France/Southampton Institute Law Faculty - UK)

Languages:

  • French
  • English

Associations:

  • APRAM (Association of Trademark and Design Law Practitioners)
  • INTA (International Trademark Association)

Attorney

Amandine Pâquet

Amandine Pâquet

Fermer
Attorney

Member of the Paris Bar since December 3, 2008

Member of Cabinet KOPACZ since 2008, Amandine is an advisor and litigator in all areas of intellectual property.

Amandine has a degree from the CEIPI and followed a trilingual curriculum in English, German and French law during her university education.

Education:

  • Certificate of aptitude for the profession of attorney (Regional Law School of the Grand East)
  • Masters 2 in intellectual property law, contracts, transfer of techniques, competition (Center for International Intellectual Property Studies, CEIPI, Strasbourg)
  • University degree in Intellectual property and new technologies law (University of Lille III)
  • Certificate of integrated legal studies (Warwick Univertity, UK - Universität Des Sarrlandes, Germany - University of Lille, France)

Languages:

  • French
  • English
  • German

Associations:

  • APRAM (Association of Trademark and Design Law Practitioners)
  • INTA (International Trademark Association)

Attorney

Elsa Carra

Elsa Carra

Fermer
Attorney

Member of the Paris Bar since December 2, 2009

Elsa has worked in law firms specilaized in intellectual property since 2009. She joined Cabinet Kopacz in 2014, where she is an advisor and litigator in all areas of intellectual property.

Education:

  • Certificate of aptitude for the profession of attorney (Professional Training School of the Bars of the Court of Appeal of Paris)
  • Masters 2 "Intellectual and Artistic Property" (University Paris I Pantheon-Sorbonne)
  • University degree Anglo-American Jurist (University of Cergy-Pontoise)

Languages:

  • French
  • English

Associations:

  • APRAM (Association of Trademark and Design Law Practitioners)
  • INTA (International Trademark Association)

Attorney

Laurie Lemoine

Laurie Lemoine

Fermer
Attorney

Member of the Paris Bar since March 21, 2012

After practicing for two years in a law firm specializing in intellectual property law, Laurie joined Cabinet KOPACZ in 2014, where she is an advisor and litigator in all areas of intellectual property.

During her studies at the Paris Bar School, Laurie worked in the legal department of an English company in London, then in the Intellectual Property department of the DS Avocats law firm.

Education:

  • Certificate of aptitude for the profession of attorney (Professional Training School of the Bars of the Court of Appeal of Paris)
  • Masters 2 Law of Cultural enterprises and communication (University Lyon III)
  • Masters 1 Business Law (University Lille II)

Languages:

  • French
  • English

Associations:

  • APRAM (Association of Trademark and Design Law Practitioners)
  • INTA (International Trademark Association)

Attorney

Caroline Lamer

Caroline Lamer

Fermer
Attorney

Member of the Paris Bar since June 22, 2016

After gaining experience as a trainee in various firms and enterprises, Caroline joined Cabinet KOPACZ in 2016, where she is an advisor and litigator in all areas of intellectual property.

Education:

  • Certificate of aptitude for the profession of attorney (HEDAC)
  • Masters 2 Innovation Technique Law (University of Paris-South XI)
  • Masters 1 General Private Law (University of Paris-South XI)
  • Data Protection Officer certificate of specialization (DPO/CIL) (CNAM) 

Languages:

  • French
  • English

Associations:

  • APRAM (Association of Trademark and Design Law Practitioners)
  • INTA (International Trademark Association)

Assistant

Françoise Pierre-Léandre

Françoise Pierre-Léandre

Fermer
Assistant

Paralegal

At Cabinet KOPACZ since 1990, Françoise is mainly involved in supporting the team of lawyers in the administrative management of trademark portfolios, the administrative follow-up of pre-litigation and litigation files and the invoicing of clients.

Languages:

  • French
  • English

Assistant

Caroline Jumelle

Caroline Jumelle

Fermer
Assistant

Paralegal

With more than 15 years of experience in law firms, Caroline joined Cabinet KOPACZ in 2013. She assists the firm's lawyers in the management of trademark files and portfolios. Caroline also manages the firm's communications, notably with the French courts (via the RPVA) and EUIPO, as well as Carpa and legal professionals. She also manages the firm file calendar.

Training: 

Certificate of Professional Qualification as Legal Assistant

Languages:

  • French
  • English
In a few numbers

The firm’s practice

+ 00

years of expertise

+ 00

cases handled

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marks handled

+ 00%

favorable decisions

Our team is at your disposal

Contact us

+33 1 46 33 09 09 - lawoffices@kopacz-paris.fr