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There is PACER, but it's not free. And there is (used to be free) - patent litigation search. You 'll just need to register an account for that.


A docket number is just a way for someone who files many many applications to refer to them in their own database. Some practitioners might use the number if the parent with “-CIP” appended. A docket number might be a meaningless serialized number or might have the applicant’s last name or company name - or anything else or just be blank.

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