By Melissa Lipman

Law360, New York (November 07, 2011, 7:47 PM ET) -- A New Jersey federal judge on Friday pared down Avaya Inc.'s digital copyright claims against Continuant Inc. and other rival telephone maintenance companies in an antitrust and intellectual property dispute over who can service Avaya's computerized telephone systems.

U.S. District Judge Garrett E. Brown Jr. partially granted a summary judgment request from Continuant, Telecom Labs Inc. and the other defendants in Avaya's suit on the claims over the Digital Millennium Copyright Act's ban on circumventing effective technological safeguards controlling access to protected works.

Avaya maintains that...