This is really interesting:
Patent Office Reviews Disputed Web Patent
WASHINGTON (Reuters) - In an unusual move, the U.S. Patent and Trademark Office is considering whether to revoke a patent that Internet experts claim could hobble Web browsing and online commerce.
The office's top patent-examination official has ordered a review of a patent that covers the ability of Web browsers to display multimedia content, the office confirmed on Thursday.
PTO Deputy Commissioner Stephen Kunin ordered the review after Internet engineers said the patent did not cover an original invention and would cause massive disruption for Web users, spokeswoman Brigid Quinn said.
The whole story is
HERE