Copyright Law | Expert Legal Commentary

December 16, 2008

Jacobsen v. Katzer: An Open Source License Is a Copyright License

Robert Jacobsen v. Matthew Katzer, et al.

By Katherine G. Eickmeyer of Zuber & Taillieu LLP

In an opinion seen as a major development in open source jurisprudence, the Court of Appeals for the Federal Circuit ruled in Jacobsen v. Katzer, 535 F.3d 1373 (Fed. Cir. 2008), open source licenses create conditions on the scope of the license, and failure to comply with those conditions may constitute copyright infringement.

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Companies Mentioned

Copyright Law

The following companies are mentioned in Copyright Law Updates:

American Society of Composers, Authors, and Publishers

Mattel, Inc.

MGA Entertainment Inc.

MGA Entertainment (HK) Ltd.

RealNetworks, Inc.

AOL LLC f.k.a. America Online, Inc.

Northern Lights Products, Inc. d.b.a. GlowProducts.com

Litecubes, LLC

Poof Apparel Corp.

Derek Andrew, Inc.

Metro-Goldwyn-Mayer Pictures, Inc.

Geoffrey Productions, Inc.

Universal City Studios LLLP

Twentieth Century Fox Film Corp.

Turner Network Television LP, LLLP

Turner Network Sales, Inc.

Turner Classic Movies, LP, LLLP

Turner Broadcasting System, Inc.

The Cartoon Network LP, LLP

Paramount Pictures Corp.

NBC Studios, Inc.

Disney Enterprises, Inc.

CSC Holdings, Inc.

CBS Broadcasting Inc.

Simon & Schuster, Inc.

Cablevision Systems Corp.

Cable News Network LP, LLLP

American Broadcasting Companies, Inc.

Westbound Records, Inc.

Kamind Associates, Inc. a.k.a. KAM Industries

UMG Recordings, Inc.

Janice Combs Publishing, Inc. d.b.a. Justin Combs Publishing

All Headline News Corp.

Bad Boy Records LLC

American Software Development Company, Inc.

Bad Boy Entertainment, Inc. d.b.a. Bad Boy Records

Affordable Video Systems, Ltd.

Yahoo! Inc.

Dream Games of Arizona, Inc.

Television Music License Committee

Frank Diana City Entertainment

SESAC, Inc.

PC Onsite

Robert E. Treuhaft and Jessica L. Treuhaft Trust

The Associated Press

Power.com

The Steinbeck Heritage Foundation

IAC/InterActiveCorp

AHN Media Corp.

Power Ventures, Inc.