USPTOAssigneesData

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Return to Patent Data Specifications.

Tables

assignee: The Assignee Table gives the assignee and location of each assignee involved in an assignment. The table gives a non-standardized inventory of companies involved in assignments as well as an indication of a company's patent portfolio over time. Additionally, the Assignee Table was used to create the Assignment and Assignee Count Tables.

assigneecount: In a transaction, multiple assignees and assignors may be involved. The Assignee Count Table gives the number of assignees involved in a given assignment. The table was made using the Assignee Table and counting the number of rows per each distinct group of reel number, frame number, and recdate. The table was used to create the Party Count Table.

assignment: The Assignment Table brings the information in the Assignee, Assignor, and Patent Id Tables together in a more usable format. The most relevant properties of an assignment are included in the table.

assignmentdate: The Assignment Date Table distinguishes which USPTO XML file an assignment was stored on based on whether the assignment was included in an annual or daily release of records. Recently, the USPTO began to update its assignment records on a daily basis. For assignments that occurred earlier on, the assignment records were only updated on an annual basis.

assignor: The Assignor Table gives the assignor and location of each assignor involved in an assignment. The table gives a non-standardized inventory of companies involved in assignments as well as an indication of a company's patent portfolio over time. Additionally, the Assignor Table was used to create the Assignment and Assignor Count Tables.

assignorcount: Since multiple assignees and assignors may be involved in a patent transaction, the Assignor Count Table keeps track of the number of assignors involved in a given assignment. The table was made using the Assignor Table and counting the number of rows per each distinct group of reel number, frame number, and recdate. The table was used to create the Party Count Table.

conveyance: Each assignment includes conveyance text describing what type of transaction occurred. The assignment records and documents are exchanged with the USPTO typically through a company representative or an attorney representing the company involved. The Conveyance Table records the both the type of transaction that occurred and the correspondent in charge of the assignment records. The conveyance text may be extremely relevant in tracking a firm's interactions with other IP firms, the historical context for a firm's asserted entity status with the UPSTO, and potentially the effects of patent case settlements and resolutions. Eventually, the large variety of conveyance text will be codified.


partycount:

patentid: