Q: How do I find someone so I can purchase there patent
A:
I would start by finding out who owns the patent. Most patents are assigned from the inventors to a company. Sometimes a patent is then assigned several times after that. The issued patent lists the assignee (owner) as of the date that the patent issues but does not get updated.
I would check https://assignment.uspto.gov/patent/index.html#/patent/search or using USPTO Public PAIR to look for assignment records.
The owners of patents can forfeit some damages in some situations if they do not record the assignment with the USPTO. So most owners record the assignments but not all do.
If you cannot find an assignee, then I would look for what law firm is the attorney of record in USPTO Public PAIR and reach out to that law firm. The law firm may have been replaced and no one updated the records, but the law firm normally has a forwarding address for the current owners.
I hope that this helps.
Kevin E Flynn
A:
By the way, I would start out checking to ensure that the patent is not expired or lapsed before I searched for the owners.
Kevin E Flynn
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