Sunday, October 08, 2006

Reading Patent Claims

A U.S. utility patent has two types of claims, namely independent claims and dependent claims.

Independent claims do not refer to any other claims. They provide the broader protection than dependent claims.

Dependent claims refer to, and incorporate, one or more preceding claims. If a dependent claim refers to an independent claim, it incorporates everything recited in that independent claim.

If a dependent claim refers to another dependent claim, it incorporates everything recited in that dependent claim and everything incorporated into that dependent claim.

More about patents, patent claims and patent protection at the U.S. Patent and Trademark Office website at
www.uspto.gov and my website at www.noreklaw.com

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