Adaptix files wireless patent complaint against Ericsson

A large patent-holding firm purchased Adaptix a year ago

Mobile 4G technology company Adaptix has filed a patent complaint related to wireless base stations against Ericsson at the U.S. International Trade Commission.

Adaptix filed a so-called section 337 complaint against Ericsson, according to USITC documents. In a section 337 complaint, the complaining company typically asks the agency to bar products infringing patents from being imported into the U.S.

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The USITC has not released details about the patent complaint. An Ericsson representative declined to comment on the complaint, and Adaptix didn't immediately respond to a request for comments.

Acacia Research, a large patent-holding firm, purchased Adaptix and its 4G patents for US$160 million a year ago.

Adaptix owns three U.S. patents related to wireless base stations. One is for a method for optimizing a communication system base station for wireless communications at a particular location; the second is for a method for adding a new base station to a wireless communication network.

The third is for a method for performing handoff in a wireless network at a base station.

Grant Gross covers technology and telecom policy in the U.S. government for The IDG News Service. Follow Grant on Twitter at GrantGross. Grant's e-mail address is grant_gross@idg.com.

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