Gilbert Hyatt was one of many applicants who filed many patent applications shortly before the June 8, 1995 transition point, where patent terms transitioned from being defined based on 17 years from issuance to 20 years from filing. However, he was quite unique in that he was an independent inventor who filed 400 patent applications before this transition point. The vast majority of these applications are still pending – decades after filing. Hyatt asserts that the long pendency is due to bad-faith behavior of the USPTO, while the USPTO asserts that the extended pendency is due to inaction by Hyatt and the complexity of the applications.

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