How are assignment records different from application file records?

The USPTO treats assignment records and application file records as distinct entities. According to MPEP 323.01(d): Assignment records are recognized as distinct from application file records. This distinction is important because: Expungement procedures may affect assignment records differently than application file records. Searches in the Assignment Historical Database may yield different results than searches in…

Read More

When are patent application records available to the public?

Patent application records may be available to the public in the following situations: Patented applications and statutory invention registrations Published abandoned applications Published pending applications Unpublished abandoned applications that are identified or relied upon Unpublished pending applications whose benefit is claimed Unpublished pending applications that are incorporated by reference or otherwise identified For specific details…

Read More

What should I do if I don’t have any record of correspondence with the USPTO for an unlocatable file?

If you don’t possess any record of correspondence with the USPTO for an application, patent, or other proceeding that is the subject of an unlocatable file notice, you must still respond to the notice. According to 37 CFR 1.251(a)(3): If applicant or patentee does not possess any record of the correspondence between the Office and…

Read More