Home -> Law Blog Directory -> Intellectual Property Law Blogs -> Invent Blog

Intellectual Property Law

: Invent Blog

Patent Reexamination Numbers and PatFT, part II

By nipper

In a previous post, I asked: The USPTO PatFT page for Patent Number Search lists three examples for reexamination patent numbering: Re-examination ? RX29,194 RE29183 RE00125 However, if you type in those three ?example? numbers into the search box, you get a ?PN/RX29,194: 0 patents? error and two reissue patents.  It is odd that the USPTO examples aren?t valid? Anyone know of a valid re-examination number (for a project I?m working on)? Mike Brown, in a comment, noted that “I was recently working on a re-examination, and needed to find examples. The easiest way is to search by serial number - use the ?90? series for ex-parte re-examinations, and ?95? series for inter-partes. For example:  APN/90005727 is an ex-parte case, APN/95000050 is an inter-partes...continue to full post

Full post as published by Invent Blog on January 14, 2009 (boomark / email).