Thought policing.

The article discusses the decisions of the British Court of Appeals in two cases that clarify matters relating to the patentability of methods of doing business and computer programs following a flurry of cases in the Patents Court. The details of "Aerotel Ltd. v. Telco Holdings Ltd. & Ors" and "Macrossan v. Comptroller-General of Patents Designs and Trademarks" are presented. The decisions also signal the country's intention to concur with a European standard.