A Blog About Intellectual Property Litigation and the District of Delaware


Entries for tag: expert-witness

Judge Burke last month addressed a motion to strike portions of an expert report regarding commercial acceptability of a non-infringing alternative.

As set forth in the report, an expert may rely on experience in the industry, but must explain "how that experience leads to the conclusions reached." Here, the expert opined that an alternative was commercially acceptable, but did not set forth why.

Then, when asked for more detail at his deposition, he responded with a snide comment:

[D]uring his deposition, [the expert] very ill−advisedly made things worse when he responded to a question on this subject by flippantly suggesting that he had "no backing" for the conclusion, and had simply "put [it] in on purpose" because Plaintiffs' expert similarly …

"Oh god. What did our expert just say?" Jamie Haughton, Unsplash

More and more NPE cases have moved to Delaware over the last few years, following TC Heartland. Defendants often try to deal with NPE cases by threatening fees under 35 U.S.C. § 285, with varying degrees of success.

A § 285 fees opinion today by Judge Stark offers an interesting data point as to what kind of conduct is not sufficient to render a case as a whole exceptional under § 285, as well as a lesson on how to best to pursue a fees motion.

In Intellectual Ventures I LLC v. Trend Micro Inc., C.A. No. 12-1581-LPS (D. Del.), the patentee's …

Just as Delaware gears up to resume jury trials, Judge Stark has released his post-trial opinion for his first fully remote trial of the pandemic in AO Smith Corp. v. Bradford White Corp., C.A. No. 18-412-LPS.

The opinion -- long in the manner of all post-trial opinions -- is worth a read in full. But for my money the main takeaway is how large a roll witness credibility appeared to play in the final outcome, as the difficulty in assessing these things has long been an argument against fully remote trials.

As often happens, the infringement case amounted to a battle of the experts, and there does not appear to be any dispute about who won. Somewhat unusually, the …