Posts Tagged: collateral estoppel


Federal Circuit Affirms Apple IPR Victory over VirnetX Patent

The Federal Circuit recently issued an opinion affirming the decision of the Patent Trial and Appeal Board (“Board”) invalidating a VirnetX patent challenged by Apple. The Court …

Federal Circuit rules Alice did not alter the law governing 101

How the Federal Circuit could rule that Alice did not change the law governing § 101 is a bit of a mystery. Applying the same two-step test seems a …
By Gene Quinn
1 year ago 69

Federal Circuit applies collateral estoppel where prior IPR previously construed related claim

Collateral estoppel is not limited to identical patent claims or claims within a single patent and may preclude a contradictory construction of a claim term already construed …

Preclusion Applies Only If Scope of Patent Claims in Both Suits are Essentially the Same

In SimpleAir v. Google, The district court found claim preclusion applied because the patents at issue had the same title and specification as previously litigated patents, SimpleAir …

Federal Circuit says Kessler Doctrine did not preclude claims asserted against Google

Google also argued that, if claim preclusion did not bar SimpleAir’s infringement claims, than the Kessler doctrine barred them. This doctrine, stemming from a 1907 decision by …
By Steve Brachmann
2 years ago 2

Rule 36, Collateral Estoppel and Unequal Treatment at the Federal Circuit

IntegraSpec was denied the opportunity to make its case here because of collateral estoppel based on the reasoning that they already had a full and fair opportunity …
By Gene Quinn & Peter Harter
2 years ago 7

Federal Circuit says Rule 36 Judgments can have Preclusive Effect

A Federal Circuit Rule 36 judgment can be a valid and final judgment for purposes of preclusive effects. Additionally, district court findings affirmed by a Rule 36 judgment can …

Federal Circuit rules Soverain collaterally estopped despite obvious due process concerns

Apparently, despite the fact that there are strict page limits imposed at the Federal Circuit, Soverain was somehow supposed to fully brief all of the issues directly …
By Gene Quinn
5 years ago 8

Collateral Estoppel Applies to Reexam Claim

The Federal Circuit held that the district court correctly applied collateral estoppel to the ’774 patent because reexamined claim 33 contains the same memory limitation previously found in claims 1 …
By Gene Quinn
5 years ago 0