New England IP Blog

Covering intellectual property developments in New England, and other developments that impact New England companies.

William Dalsen

William Dalsen


Will Dalsen is an associate in the Litigation Department, practicing in the Patent Law, Intellectual Property, and Private Equity & Hedge Fund Litigation Groups.

Will practices in the area of complex intellectual property disputes, with a primary focus on patent infringement matters. He has litigated several high-profile patent infringement cases for some of the world's leading technology companies, including Panasonic, Philips, Sony, Mitsubishi and Zenith Electronics.

His practice also includes complex commercial and securities litigation matters, in particular those involving private equity, venture capital and hedge funds. He has represented public and private corporations in contractual disputes, business tort cases, and government investigations. In addition, he advises funds, fund sponsors, investment advisers, and institutional and individual investors.

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Copyright Plaintiff Allowed to Subpoena ISP to Discover Defendant’s Name

A recent decision from the District of Connecticut is part of a series of copyright cases where a plaintiff, unable to identify the accused infringer except by the Internet Protocol (or “IP) address used at the time of the alleged infringement, has sought and received pre-service leave to serve a subpoena upon the Internet Service Provider (or … Continue Reading

Hyper-Divergence: Halo and the Preliminary Injunction Requirement for Enhanced Damages

A recent report and recommendation issued in the District of Massachusetts is one of the first cases to interpret – and arguably, to extend – the Supreme Court’s recent decision on willful infringement, Halo Electronics, Inc. v. Pulse Electronics, Inc. In Simplivity Corporation v. Springpath, Inc., plaintiff Simplivity alleged infringement of U.S. Patent No. 8,478,799, … Continue Reading