Founded in 1955 by Jean-Pierre Karsenty, the firm cultivates technical requirements and a strong intuitu personae to assist each of its clients.
Resolutely multidisciplinary, the firm has developed a recognized practice in business law, IP/IT, litigation and risk management, both in France and internationally.
The stability of the teams and the permanent dialogue between the different generations of lawyers allow JP Karsenty to claim a high specialization of its skills and a fine knowledge of the different sectors and industries of its clients.
JP Karsenty has a solid experience in patent law. It is well known for its continuous practice of infringement litigation and its specific proceedings, as well as for its knowledge of specialized jurisdictions.
The firm assists and advises companies of all sizes in their efforts to enhance and protect their inventions and technical innovations.
JP Karsenty works closely with several French and foreign patent attorneys with whom it maintains privileged relationships. This collaboration allows JP Karsenty’s attorneys to master the most technical aspects of its clients’ patents in any field. Thus, the firm is involved in a wide range of fields such as chemistry, pharmaceuticals, biotechnology, cosmetics, food processing, mechanics, cars, telecoms, IT, etc.
JP Karsenty develops contractual, valuation and litigation strategies for its clients in order to meet all their needs and best serve their interests. It assists them in the negotiation and drafting of all legal documents related to the exploitation of patents (assignment agreements, licenses, non-disclosure agreements, communication of know-how, etc.).
The firm also intervenes in discovery proceedings to collect evidence of potential infringement and the seizure of infringing products. In this respect, the firm has developed a national network of bailiffs, familiar with the particularities of patent law and the issues related to the confidentiality of the seized items.
The lawyers have a strong litigation practice before the specialized courts and represent their clients in legal proceedings before the Hight Court and the Court of Appeal of Paris, which have exclusive jurisdiction for patent proceedings.
Ranking Décideurs magazine 2021
Patent litigation – Recommended
Patents : Pharma, biotech, and life sciences litigations – Excellent
Legal works in this area
Contractual – Consultancy
Pre-litigation – Litigation
Interventions in the context of pre-litigation by:
Assistance in evidentiary and seizure procedures, in particular by:
Assistance and representation in claim as well as in defense, in first instance as well as in appeal, in legal proceedings (emergency proceedings or on the merits) before the specialized jurisdictions having exclusive jurisdiction in patent matters:
Assistance and representation in emergency proceedings (summary injunction and provisional measures)
Negotiation and drafting of settlement agreements