The European Patent Office said patent filings increased by 3 percent last year compared with 2010.
EBay.com Inc. ’s PayPal Unit was sued by an Israeli company for infringing a patent that covers electronic currency and ways to make payments over a network.
Google Inc. translation software will translate existing patents to and from Chinese and 31 other languages, the company and the European Patent Office said.
Procter & Gamble Co., the maker of Head & Shoulders, accused the U.K.’s Unilever Plc of infringing three patents covering anti-dandruff shampoo.
Unilever NV , the world’s second- biggest consumer goods maker, and Syngenta AG are challenging the validity of European patents on breeding processes for tomatoes and broccoli at a hearing that attracted about 150 demonstrators.