The United States Patent and Trademark Office (USPTO) has offered inventors the option of filing sample provisional patent applications since June 8, 1995. Sample provisional patent applications were designed to provide a lower-cost first patent filing in the United States and to give U.S. applicants parity with foreign applicants under the GATT Uruguay Round Agreements. Sample provisional patent applications allow filing without a formal patent claim, oath or declaration, or any information disclosure or prior art statement. It provides the means to establish an early effective filing date in a non-provisional patent application filed. It also allows the term “Patent Pending” to be applied.
united states patent
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