This excerpt taken from the AAPL 10-Q filed Feb 2, 2007.
Saito Shigeru Kenchiku Kenkyusho (Shigeru Saito Architecture Institute) v. iPod
Plaintiff Saito filed a petition in the Japan Customs Office in Tokyo on January 23, 2007 alleging infringement by the Company of Japanese Patent No. 3852854, entitled Touch Operation Input Device and Electronic Parts Thereof. The petition seeks an order barring the importation into Japan of fifth generation iPods and second generation iPod nanos. The Companys responsive pleading is due February 6, 2007.