Tag Archives: Written Description Requirement

Steve Hall to present at the Defense Research Institute’s Intellectual Property Seminar

Steve Hall, member of Wyatt’s Intellectual Property Protection & Litigation Service Team, will be speaking at the Defense Research Institute‘s (DRI) Intellectual Property Seminar on the topic “Using the AIA’s First to File Rule and the Written Description Requirement to Invalidate Patents” on May 6, 2016 in Nashville. Mr. Hall’s presentation will teach attendees how to use the “written description” requirement, along with recent amendments to the Patent Act, to challenge a patent’s validity in a way that was not available to defendants before 2013, when the First-to-Invent features of the America Invents Act went into effect.

Event details to follow.

The Written Description Requirement: Genus/Species Claims (Part Three of Three)

By Stephen C. Hall

This is the third and final post of a three-part series on written description requirements and the developing case law under the America Invents Act (AIA).

“Genus”: a class, kind, or group marked by a common characteristic(s)
“Species”: a logical subdivision of a genus marked by a specific attribute

gear to successTaxonomy (classifying things according to genus and species) also has a parallel in patent law. A patentee may use narrow species claims to distinguish against prior art, while at the same time seeking the broadest possible “right to exclude” with a genus claim(s). But there are trade-offs. First, the Patent Office can reject a broad genus claim if only one member of the genus was known in the art. Second, the patentee must provide a level of description proportional to the scope of the claim. In litigation, defendants accused of Continue reading