2026

"They are highly reliable and trustworthy. Between their business-oriented approach and their strategic advice, IP assets are in good hands with Plasseraud."

"Highly professional, very responsive, a large team of top experts. High level of diversity."

"What stands out most is their combination of technical excellence and strategic clarity. The team is highly responsive, precise and commercially aware. They do not only analyse legal risk, but also understand business positioning and long-term brand value."

"Communication is always clear, timely and professional, which makes them a reliable partner in sensitive IP disputes."

"Plasseraud IP’s filing and prosecution team stands out for its precision, efficiency and strategic consistency. Their advice is always technically sound and clearly structured, with careful attention to long-term portfolio strategy rather than short-term filing formalities."

"Plasseraud IP’s advisory team combines deep legal expertise with strong commercial awareness. Their advice is not limited to technical analysis; it is always aligned with broader business objectives and long-term brand strategy."

"Good knowledge of the French IP system and what evidence is best to support a client's case. Very knowledgeable and cost effective."

"Plasseraud IP’s litigation team combines deep technical expertise with strong strategic thinking, enabling them to handle complex IP disputes effectively. They are known for their pragmatic, business-oriented approach, aligning legal strategy with clients’ commercial objectives. The team’s responsiveness and collaborative mindset make them a reliable partner in high-stakes proceedings."

"Plasseraud IP’s IP litigation team is strong technically and strategically, responsive in urgent matters, and clear in communication, helping clients navigate complex disputes effectively in France and Europe."

Guylene Le Kosquier

"She is exceptionally strong at translating complex IP issues into practical, business-oriented advice. She is responsive, clear, and consistently delivers high-quality work under tight deadlines."

Patrick Boyle

"Patrick Boyle demonstrates strong strategic judgement and clear, pragmatic thinking. He is able to assess complex IP situations quickly and provide structured, commercially sound recommendations."

Carole Sellin

"Carole demonstrates exceptional professionalism and attention to detail in her work. She is highly responsive and proactive in her communications, ensuring that we're always well-informed and that matters progress smoothly and efficiently."

Laurent Nowak

"Laurent excels at delivering clear, well-structured advice tailored to the client’s needs. He combines strong technical expertise with a pragmatic, solution-oriented approach. His responsiveness and reliability make collaboration smooth and highly effective."

Guylène Kiesel Le Cosquer

"Her long standing dedication to IP industry and wide experience in trademark and design areas stand out her in those fields.  She has always given thorough advice which meets our client’s expectation."

Laurence Loumes

"She is a brilliant scientist and IP Lawyer.  She is able to grasp complex concepts in a second, and is a machine in terms of translating the concepts into patents.  She also has a very strategic top-down view, and at the same time is very detailed oriented.  Furthermore, she has a very friendly personality and is great at customer relationship building."

2025

"I trust the firm and the main partners, particularly Guylène Kiesel Le Cosquer and Patrick Boyle."

"Excellent service and advice at a reasonable price."

"Long-standing and reliable relationship."

"They are professional and always give us good advice. Ina Schreiber and Lionel Morvan are strong pillars we can rely on."

"They are experts and provide very accurate explanations."

A client appreciates the team's "efficiency, feedback and quality of work".

"Efficient and pragmatic."

Another client values the team's "cost-effective, commercially senstive and timely advice".

"Very clear strategical advice. [They are] very available and responsive in case of emergencies."

"They are very responsive and give clear, concise advice."

"What I appreciate about Plasseraud IP's service is their deep expertise combined with a personalised approach. Their team doesn't just offer technical advice—they take the time to understand the strategic vision behind each invention, brand, or design.

"I also value their proactive communication and responsiveness, which makes complex processes like patent filing or trademark opposition much more manageable."

"The team’s diversity of background—from legal experts to scientists and engineers—means they can handle nuanced, multidisciplinary cases with confidence.

"Whether it’s navigating international filings or tackling niche technical areas, they show a remarkable attention to detail and client care."

"The advice provided by Plasseraud IP is tailored to the needs. They explore every option available and then give a recommendation, taking into account the specific strategy of our company. Their advice is always comprehensive, and it makes it easier to take a decision knowing we have all pros and cons at hand."

"High-quality service. Very responsive and enjoyable to work with. Both strong legal and technical expertise."

"We chose Plasseraud IP for their long-standing expertise, client-focused approach, and tailored solutions. Their multidisciplinary team provides the local insight and international perspective needed to protect and scale our intellectual property."

"Plasseraud IP is our long-standing and reliable European firm. The firm has always accommodated ever-changing industries."

"They provide accurate advice based on their extensive knowledge and work quickly and accurately. Communication is also very smooth."

"They are efficient, clear and charge a reasonable price for their services."

"The team is highly competent, responsive and accessible."

"We chose Plasseraud because of the strength and experience of their team."

"Their expertise in intellectual property ensures precise handling of all legal and procedural aspects. They are proactive in identifying potential challenges and providing strategic advice tailored to our needs."

"The team's professionalism and responsiveness stand out, with clear communication and timely updates throughout the process.

"Their attention to detail and understanding of both local and international IP regulations give us confidence in the security of our intellectual property."

"The whole team is very agreeable, helpful, and responsive.

"The work is always of high quality."

"They accept debates and criticisms."

"Deep technical understanding of AI inventions, patent drafting and prosecution. [They provide] strategic responses to office actions."

"As a small biotech company that worked with the firm very early on, we value their 360° view of our company’s full IP needs. [The] attorneys communicate with one another efficiently, thus avoiding key information loss.

"They helped build a comprehensive IP strategy, explaining the future challenges which will be impactful for the company’s growth, in/out-licensing, fundraising, and collaborations with large industrial groups or academic technology transfer offices.

"Plasseraud IP’s input was paramount in the company’s position [concerning] the UPC. We also highlight the firm's values and actions with regard to sustainability and diversity, with employees from very different educational backgrounds and geographical or social origins."

"What we particularly appreciate about Plasseraud IP are their great responsiveness and their ability to adapt to very diverse contexts and input."

"Plasseraud IP's team is very agreeable, dynamic and reliable."

"We chose Plasseraud IP for their deep expertise across a broad range of industries and their ability to handle complex IP matters with precision.

"Their team demonstrated excellent coordination and strategic thinking, particularly in court disputes, which made them a trusted partner for managing our clients' diverse IP needs."

"We chose Plasseraud IP for their outstanding expertise, strategic approach, and strong reputation in intellectual property. Their team combines deep technical knowledge with a client-centric approach, ensuring tailored and effective solutions.

"Their ability to navigate complex IP matters, anticipate challenges, and provide innovative strategies made them the ideal partner for our needs. Their responsiveness and commitment to excellence further reinforced our decision."

The team at Plasseraud IP is dynamic, professional, and highly reliable. They are always available and attentive to clients' needs. Their profound knowledge of the patent system and global strategic issues enables them to provide accurate and effective advice."

"Plasseraud IP stands out for their flexibility in adapting to the specifics of each client's business. The team is calm under pressure, provides concise yet approachable legal advice, and delivers results efficiently.

"They understand the importance of integrating corporate policies into their IP strategy, offering practical solutions that meet both legal and business needs. The team's attention to detail and dedication to their professional conduct further strengthens our trust in them."

"Their advice is sound, and they are able to secure a payment to our client by the infringer."

Cyra Nargolwalla

"Cyra Nargolwalla is highly valued by her clients as a key legal mind but with a personable outlook running a formidable team."