A Blog About Intellectual Property Litigation and the District of Delaware

Entries for tag: sj

Person Catching Light Bulb, Júnior Ferreira, Unsplash

This week, Judge Andrews dismissed a summary judgment motion on inequitable conduct.

Plaintiff argued—apparently correctly—that the defendant had never pled inequitable conduct at all. And, when the plaintiff moved for summary judgment on inequitable conduct, the defendant did not file any answering brief opposing the motion (although a defendant in a related action filed brief a brief for "all Defendants").

So why was the seemingly unopposed motion dismissed rather than granted? As explained by Judge Andrews:

I do not think I can grant summary judgment against a party on an issue that is neither raised by the pleadings nor asserted by the party in the briefing. Inequitable conduct is not an …

Chief Judge Stark this week granted a motion of non-infringement under the doctrine of equivalents due to the slim DOE analysis relied on by the patentee's expert.

Interestingly, the expert had offered some testimony framed in terms of the usual function-way-result DOE test:

[T]he Accused Products perform substantially the same function (producing densitometry/densitometric models for use in assessing bone density), in substantially the same way (determining linear attenuation coefficients of an object in several tomographic scans and combining this information using the Feldkamp algorithm to determine the grayscale values of voxels and the corresponding HU units thereof of a 3D CBCT volume of the object), to achieve substantially the same result (3D volumes that include information for depicting quantitative differences …