If you are interested in learning more about prior patent term extension filings, the USPTO and FDA provide some helpful links, which are provided in this post. Two ways that the term of a patent can be extended* are PTA and PTE: 1) Patent Term Adjustment (PTA) is based on delays during patent examination by the USPTO, and 2) Patent Term Extension (PTE) is based on the time it takes a drug from getting the OK from the FDA to start clinical trials to the date of approval as l
