How can I access patent assignment records online?

Patent assignment records can be accessed online through the USPTO’s Assignment Search database. The MPEP states: Assignment records that affect the title of patents and patent applications are recorded in the USPTO’s Assignment Recordation Branch. To access these records: Visit the USPTO Assignment Search website Enter the relevant patent or application number, assignee name, or…

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Are assignment records for pending patent applications publicly available?

The accessibility of assignment records for pending patent applications depends on whether the application has been published. According to MPEP 301.01: For published patent applications, assignment records are publicly available. For unpublished pending applications, assignment records are not open to public inspection. The MPEP states: “Documents relating only to one or more pending applications for…

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