Last year, biotech patents continued to represent an increasing share of US patents. In 2006, 25 out of every 1,000 US patent specifications referred to 'nucleic acid' and 45 out of 1,000 referred to 'pharmaceutical.' In Europe, more than 5,000 biotech patent applications were filed with the European Patent Office in 2003, up from <3,500 in 1995. For European biotech patent applications, German, US and Japanese inventions had the largest absolute increase, whereas those from China, New Zealand and India had the largest percentage growth.

Biotech patents as a percentage of national total

Patent share for biotech and pharmaceutical terms

Research terms in approved patents and patent applications

Top 20 organizations with the most US biotech patents issued