A Blog About Intellectual Property Litigation and the District of Delaware


Entries for tag: expert

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 …

Cell Tower
Cell Tower Ben Vaughn, Unsplash

In an R&R this week, Judge Fallon recommended granting a § 101 12(b)(6) motion to dismiss.

She rejected a proffered expert declaration regarding novelty of the invention, because "the court declines to consider matters outside the pleadings on a Rule 12 motion to dismiss."

She noted that "[t]he law is now well-established that patent eligibility is a threshold issue." So far she has recommended granting three § 101 motions to dismiss this year, out of four that she has addressed.

The § 101 issues addressed here were not unusual. The patent, originally held by LG and now by NPE Aegis 11 S.A., sets forth an algorithm for using random numbers to authenticate mobile …