A Blog About Intellectual Property Litigation and the District of Delaware


Entries for tag: ss-103

The reference at issue, JP 1992-136787

Japanese patent publications are typically considered to be fairly safe prior art references, as long as you prove up authenticity and offer sufficient evidence of publication.

But it turns out that that second part—showing publication—is kind of important.

In F'real Foods LLC v. Hamilton Beach Brands, Inc., C.A. No. 16-41-CFC, Judge Connolly excluded a Japanese Patent Office Utility Model Publication on a motion in limine because the defendants failed to show that it was publicly accessible under § 102, based largely on defendants' own position in opposing IPR estoppel.

Couldn't Have Found Reference = No IPR Estoppel

The F'real defendants had previously filed an unsuccessful IPR, and plaintiff moved to exclude the reference based on IPR estoppel. …