Twainscore was founded in 2020 by former Ampersand IP lawyer Martin Wintermeier. The firm specialises in IP disputes.
Notable lawyers: Martin Wintermeier, Jakob Nuezel, and Nathalie Wintermeier.
2026
"I appreciate Twainscore’s IP litigation service for its outstanding technical depth and strategic clarity. The team is highly responsive, solution-oriented, and consistently delivers well-reasoned guidance that strengthens our position in complex disputes."
"I appreciate Twainscore’s filing and prosecution service for its reliability, precision, and well-organized administrative support. The team handles even complex portfolios with great care and consistency, making the entire process smooth and efficient."
"What I value most about Twainscore is their combination of technical depth, strategic clarity, and commercial awareness. As a client involved in complex cross-border patent litigation, I need a team that not only understands the black-letter law but can also engage deeply with highly technical subject matter and translate that into a persuasive litigation narrative. Twainscore does this exceptionally well."
"Twainscore's filing and prosecution service stands out for its precision, strategic foresight, and attention to detail. They approach prosecution not as a procedural exercise, but as a long-term asset-building strategy. That mindset is critical when managing valuable IP with enforcement in mind."
"What stands out about Twainscore's IP advisory service is both the quality of their advice and the calibre of the team delivering it. The lawyers are technically strong, analytically rigorous, and clearly very experienced in handling complex patent matters — particularly in high-stakes, cross-border environments."
"They provide high-quality legal advice. They reply fast to questions, requests, etc. Their pricing is quite fair."
Martin Wintermeier
"Martin Wintermeier excels at combining technical expertise with clear strategic thinking. He communicates complex issues in an accessible way and consistently delivers well-founded, practical recommendations."
"Martin combines deep technical understanding with strong strategic litigation instinct. He has an exceptional ability to take highly complex engineering subject matter and distil it into clear, structured, and persuasive legal arguments — a critical skill in patent litigation."
2025
"The skills of the team members are outstanding. Dr. Martin Wintermeier is the best IP lawyer I know."
"Excellent price-to-quality ratio; motivated, experienced and competent managing partner"
"Young and dynamic team with new approaches and ideas."
"We are very pleased with their work."
"Martin Wintermeier is a very competent attorney and a pleasure to work with."
"They are fast and very professional."
"I appreciate Twainscore’s client-oriented, highly competent, and reliable approach. Their advice and tips were extremely helpful, and with their support, I was able to successfully resolve a case in my favour."
"Very fast response times, even outside normal office hours. Open and honest communication."
"Uncomplicated setup, straightforward."
"Extremely responsive, working almost as an extension of our own firm. [Their] communication is fast and easy, and it is very quick to get to the main message and receive pragmatic advice."
"Easy to work with, friendly and relaxed but still professional. Very knowledgeable."
"Professional, and good cooperation with patent attorneys."
"Understands the client's needs, business-minded, and pragmatic."
Martin Wintermeier
"Martin has a strong desire to win for the client, which is appreciated by us and of course the client. Having someone on board who really cares about winning the case and pleasing the client makes a difference."
"Martin is able to work against very tight deadlines and always puts the client’s case before anything else, which is greatly appreciated."
Case studies show dispute resolution and enforcement work for brand owners like Synaforce, Fossil Group Europe, Hugo Boss, Matratzen Concord, Rabe Bike, and Infinicon.
Patent case studies show the firm acted for clients such as SusTeco Technologies, Valutis, Hoverkey, Lunux Lighting and Orcam Technologies.