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Levenfeld Pearlstein, LLC

So You Want to Keep That Patent? Well, It Just May Cost You — a Lot

Levenfeld Pearlstein, LLC on

U.S. patents are currently subject to maintenance fees paid to the U.S. Patent and Trademark Office (USPTO) at 3.5, 7.5, and 11.5 years from the date of grant to keep the patent live. The maintenance fees escalate over the...more

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