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How Can an Investment Invalidate a Patent?

By James Goepel
June 01, 2003

Structuring a venture capital investment is almost always tricky, but if both sides aren't careful, they may inadvertently create problems with any pending patent applications the target company is prosecuting. The U.S. Patent and Trademark Office (USPTO) allows certain parties, such as small businesses (referred to generally as “small entities”), to pay reduced fees. This can be a big benefit to small businesses and individual inventors, many of which have only limited funds with which to prosecute a patent application.

Most patent attorneys and patent agents evaluate a client for small entity status based on the “500 employee rule” ' that is, if the client has fewer than 500 employees, they are a small entity. This rule serves well for a quick “ball park” determination and the elimination of large clients from eligibility, however determining whether a party truly qualifies as a small entity is more complicated. For example, in certain circumstances, a company that would qualify as a small business under the Small Business Administration's (SBA) loan qualification guidelines might not qualify as a small entity for the purpose of paying reduced USPTO fees. Improperly claiming small entity status during patent prosecution can open a patent to attack during litigation, and the cost of defending against such a claim can easily exceed the savings on government fees. Careful evaluation of a company's small entity status is therefore warranted before claiming such status.

Through 35 U.S.C. '41(h), Congress has authorized the USPTO to allow small entities to pay reduced patent filing and prosecution fees. The USPTO has implemented this in 37 C.F.R. '1.27, and 37 C.F.R. '1.27(a) sets forth some basic rules for evaluating when a party qualifies as a small entity. The evaluation is based on three different classifications: persons, nonprofit organizations, and small business concerns.

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