Jonathan Steinsapir Associate at Kinsella Weitzman Iser Kump & Aldisert (KWIKA)

Jonathan Steinsapir is an Associate at Kinsella Weitzman Iser Kump & Aldisert (KWIKA). His practice encompasses a wide range of commercial litigation matters, with particular emphasis on intellectual property disputes. In patent cases, he has successfully represented patentees and accused infringers in federal courts throughout the country involving diverse and complex technology, including inkjet printing, high-speed computer peripheral connections, electronic musical instruments, and CMOS sensors. Mr. Steinsapir has also successfully represented clients in copyright cases throughout the entertainment industry, including pay television providers, leading producers of reality television, and videogame publishers. Also in the entertainment field, he has extensive experience with contract cases, including licensing and output agreements and “idea submission” claims. Mr. Steinsapir has also litigated several trademark and trade dress cases, and he has represented both employees and employers in trade secret and non-compete cases. For more information on Jonathan Steinsapir or KWIKA, visit or