Thanks to its multidisciplinary team of attorneys-at-law, patent and trademark attorneys, and engineers, the firm provides its clients - including start-ups, SMEs, large industrial groups, public institutions, and research organizations – with comprehensive legal and technical support to protect, enhance, and defend their innovations and creations.
Our clients benefit from a seamless service, with no need to engage separate firms for prosecution and litigation. This integrated approach provides them with a significant advantage, particularly in patent and trademark litigation. Indeed, the close collaboration between attorneys-at-law and patent and trademark attorneys enables our teams to manage cases from the earliest stages through to court proceedings, while providing well-rounded, strategic advice that fully takes litigation risks into account.

The firm operates in all areas of intellectual property law (patents, trademarks, designs, domain names, copyright, etc.), as well as in related legal fields such as unfair competition and distribution law.

Our patent attorneys cover all technical fields (Mechanics, Chemistry and Pharmaceuticals, HealthTech and Life sciences, Electronics, Telecommunication and Software).
In addition, our dedicated “Wine, Spirits & Terroirs” team also offers 360° expertise to producers, distributors, trade organizations, and appellation syndicates in wine, spirits, geographical indications, and agri-food law.

Dealing with issues that are at heart of the European and international agenda, CASALONGA advises its clients in defining, implementing, and driving their strategies, as well as preventing risks related to intellectual property, in France and worldwide.
We are at the forefront of innovative and successful strategies for defending and enforcing our clients’ IP rights, handling some of the most significant patent and trademark cases : our firm has extensive experience in managing complex patent issues, including SPC, FRAND, and pharma patents and high-profile trademark cases.

The firm’s patent or trademark attorneys have extensive experience in proceedings before the patent and trademark offices and regularly appear before the courts. Our attorneys-at-law have a highly active and consistently successful litigation practice, with some of the leading lawyers of this generation.
We regularly represent our clients both before national IP offices and courts, directly or through a trusted network of correspondents.

We also act directly before:

• - the European Union Intellectual Property Office (EUIPO), with our office in Alicante, established since EUIPO’s foundation and deeply involved in EUIPO’s activities;
• - the European Patent Office (EPO), with our office in Munich;
• - the Unified Patent Court (UPC), with our offices next to the UPC courts and our 25 UPC Representatives;
• - the European General Court (EGC).

Additionally, our firm is deeply involved in numerous transactions, both nationally and, frequently, on an international scale.

In Munich, CASALONGA & PARTNERS represents clients directly before the European Patent Office (EPO) and the German Patent and Trademark Office (DPMA).

The German and European Patent Attorneys of CASALONGA & PARTNERS are specialists of the European Patent System and the German IP Law. They assist clients in all prosecution, opposition and enforcement.

CASALONGA & PARTNERS represents companies from all over the world, with a particular emphasis on Asia and the US.

CASALONGA & PARTNERS covers all technical fields from mechanical and electrical engineering, electronics and IT to chemistry and life sciences.