Ampersand

IP firm Ampersand is recommended for IP disputes, especially patent litigation in the hi-tech and pharmaceutical sectors. IP Star Hosea Haag is the key contact in the firm. For soft IP, clients have lawyers such as Alexandra Heÿn. The partners are supported by a team of associates. Emily Peller and Jonathan Konietz are practitioners to watch. Konietz, who is a partner, is noted for his patent litigation experience. 

2023

"We found them to be very knowledgeable, super-responsive and with lots of experience."

"The team at Ampersand show exceptional technical skill while also adopting a pragmatic, realistic and efficient approach to matters."

"They are smart, creative and highly skilled lawyers, who are nice to work with."

"We appreciate the direct contact and technical expertise."

"They are highly responsive. The team is large enough to handle even a multitude of litigation cases at once and they are perfectly connected to judges and experts. Everything that a client could ask for."

"We value the pragmatic yet in-depth advice."

"We appreciate their creativity and thoroughness."

"The people who work on the cases are easy to access, always open to discussions and with no overbearing attitude. The firm operates lean structures and knows how to achieve results with no frills."

Patent case studies show the firm represented Arigna Technology, Hirschvogel Group, Intent IQ, and Unwired Planet in patent disputes. In 2020, the firm welcomed Jonathan Konietz and lost Martin Wintermeier, who left to set up his own firm. Partner Morten Merx left to set up his own firm in 2021. Partner and IP litigator Philipp Neels left the firm in July 2023.