The Electronic Frontier Foundation has a Patent Busting Contest:
Every year numerous illegitimate patent applications make their way through the United States patent examination process without adequate review. The problem is particularly acute in the software and Internet fields where the history of prior inventions (often called ?prior art?) is widely distributed and poorly documented. As a result, we have seen patents asserted on such simple technologies as:
- One-click online shopping (U.S. Patent No. 5,960,411.)
- Online shopping carts (U.S. Patent No. 5,715,314.)
- The hyperlink (U.S. Patent No. 4,873,662.)
- Video streaming (U.S. Patent No. 5,132,992.)
- Internationalizing domain names (U.S. Patent No. 6,182,148.)
- Pop-up windows (U.S. Patent No. 6,389,458.)
- Targeted banner ads (U.S. Patent No. 6,026,368.)
- Paying with a credit card online (U.S. Patent No. 6,289,319.)
- Framed browsing; (U.S. Patent Nos. 5,933,841 & 6,442,574.) and
- Affiliate linking (U.S. Patent No. 6,029,141.)