Us Patent Office Search

Private trademark search firms will conduct searches for a fee. Resolve disputes regarding patents with ptab. Patent trial appeal board.

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Pay maintenance fees and learn more about filing fees and other payments.

Us patent office search. Search and read the full text of patents from around the world with google patents and find prior art in our index of non patent literature. Pay maintenance fees and learn more about filing fees and other payments. Patents from 1790 through 1975 are searchable only by issue date patent number and current classification us ipc or cpc.

1 800 786 9199 8 30 am 8 00 pm et tty. Check patent application status with public pair and private pair. Resolve disputes regarding patents with ptab.

The united states patent and trademark office uspto public search facility located in alexandria va provides the public access to patent and trademark information in a variety of formats including on line microfilm and print. Executive department sub. When searching for specific numbers in the patent number field utility patent numbers are entered as one to eight numbers in length excluding commas which are optional as are leading zeroes.

View international patent filings. Check patent application status with public pair and private pair. Try the beta replacement for efs web private pair and public pair.

The us patent and trademark office pto offers world wide web web access to bibliographic and full text patent databases. The uspto cannot aid in the selection of a search firm or an attorney. Patent and trademark office.

Patent trial appeal board. More tools links. Search firms are often listed in the yellow page section of telephone directories under the heading trademark search services or patent and trademark search services patent and trademark resource center ptrc.