A Blog About Intellectual Property Litigation and the District of Delaware


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"Your honor, we'd like to drop most of our claims." "Ok, but you're not picking them back up." AI-Generated, displayed with permission

True D. Del. patent litigators know that, no matter which side you're on, you're going to have to narrow your claims and defenses before trial. It's just unwise and unworkable to go into a five-day trial with 100 claims, or with 30 prior art references and hundreds (or millions) of potential obviousness combinations. There isn't time to cover it all.

That said, sometimes the parties in patent cases delay case narrowing for a long time. And while the Court will often narrowing, it doesn't do that in every case. Instead, judges sometimes take the approach that …

Denied
AI-Generated, displayed with permission

It seems fairly well known that while parties can freely stipulate to most kinds of schedule adjustments in the District of Delaware, changing the dispositive motion deadline is a danger zone that might result in the denial of your stipulation—or worse, such as the loss of your trial date.

But people often do it anyway. Yesterday, visiting Judge Bryson denied a stipulation that would move the case dispositive motions deadline to April 25, 2025 for a trial starting July 14, 2025.

Assuming the parties use the briefing schedule under the local rules, the Court will not have a full set of papers until May 16, less than 2 months before the first day of trial. No …

Apples and oranges
Gowtham AGM, Unsplash

The Court has held in the past that motions in limine cannot be used to bring stealth summary judgment or Daubert motions after the deadlines for those motions (we first posted about this issue over four years ago—wow).

Last week, this issue came up again, this time with a party overtly asking the Court for two additional MILs, beyond the default three, specifically to address summary judgment issues. Unsurprisingly, the Court did not grant the motion:

Defendants seek . . . permission to file two motions in limine beyond the three motions in limine permitted by the Scheduling Order. . . . In Defendants' words: "Two requests will seek to exclude certain exhibits and testimony …
DED

Wilmington, <a href='#' class='abbreviation' data-bs-toggle='tooltip' data-placement='top' title='Delaware'>DE</a>
Andrew Russell, CC BY 2.0

I attended the 2024 Delaware Regional Federal Circuit Bench and Bar today. It was a great program with many judges speaking on panels, plus an interview with Judge Dyk of the Federal Circuit and remarks by Senator Chris Coons. Here are some notes about interesting points from the conference, in case you missed it.

New Judges for the District of Delaware

Of particular interest to District of Delaware attorneys (and litigants) is the great news about two potential new judges. Senator Coons relayed the news—which we here at IP/DE had not picked up on—that the U.S. Senate has unanimously approved the JUDGES act …

AI refuses to draw a judge without an old-school judicial wig. This is the best I could do.
AI refuses to draw a judge without an old-school judicial wig. This is the best I could do. AI-Generated, displayed with permission

Chief Judge Connolly held a second Mavexar-related hearing yesterday, this time in Swirlate IP LLC v. Quantela, Inc., C.A. No. 22-235-CFC (D. Del.). This was after the one in the Backertop action that we just posted about.

Chief Judge Connolly questioned both the out-of-town attorney who represented Swirlate as lead counsel in the action, and the sole member of the Swirlate NPE

The Court addressed several topics with the attorney, including:

  • Gaps and redactions in the court-ordered document production, which was supposed to include communications with his client.
  • Swirlate (the NPE) and its …

"A POSITA would be motivated to combine cocktail sauce and raspberry jam, as both are red-colored foodstuffs safe for human consumption that come in glass containers with metal, screw-on lids." AI-Generated, displayed with permission

Judge Andrews issued a lengthy summary judgment and Daubert opinion on Thurday in Acceleration Bay, LLC v. Amazon Web Services, Inc., C.A. No. 22-904-RGA (D. Del.). The opinion hits multiple interesting issues, and we may have a couple of posts on it this week.

But the one ruling that jumped out to me was the Court's rejection of the fairly typical, low-effort motivation-to-combine language that many experts rely on in their obviousness opinions.

Motivation to combine is often an afterthought. I've seen many initial contentions that address it only in a short paragraph that basically just lists characteristics of each reference (same field, same problem, etc.). Expert reports sometimes uncritically adopt paragraphs like that no elaboration.

If you've ever been involved in reading or writing invalidity contentions, you've probably seen motivation-to-combine paragraphs just like this one, from Thursday's opinion:

As those charts show, [the first reference] ATT Maxemchuk builds upon [the second reference] ’882 Maxemchuk and informs a POSITA of additional details related to ’882 Maxemchuk’s grid-based mesh network. A POSITA would be motivated to combine these references for several reasons. Both references are in the network architecture field and are directed to improving mesh networks. Both teach the simplification of routing of data that arises from the grid-based mesh network. And both disclose the same grid-based mesh network. In addition, ATT Maxemchuk includes additional implementation details for the grid-based mesh network that ’882 Maxemchuk describes.

The paragraph gives just four one-sentence reasons for its statement that a person of skill in the art would combine the references. Three of the reasons are about general similarities between the references.

The fourth sentence is a bit more helpful, and says that the first reference provides "additional implementation details" for part of the second reference.

The Court found that this paragraph—which the parties agreed was representative—simply could not provide support for a motivation to combine the references. The Court granted summary judgment of no obviousness:

Mr. Greene “fails to explain why a person of ordinary skill in the art would have combined elements from specific references in the way the claimed invention does.” . . . His opinion does nothing more than explain why the prior art references are analogous to each other and to the claimed invention. . . . Plaintiff’s “assertions that the references were analogous art, . . . without more, is an insufficient articulation for motivation to combine.” . . .
As Defendant’s invalidity contentions rely on Mr. Greene’s testimony, Mr. Greene’s failure to opine on a POSA’s motivation to combine the asserted prior art references proves fatal to Defendant’s obviousness theory. I grant summary judgment of nonobviousness as to all asserted obviousness defenses.

Acceleration Bay, LLC v. Amazon Web Services, Inc., C.A. No. 22-904-RGA, at 37-38 (D. Del. Sept. 12, 2024).

Judge Andrews also rejected ...

Narrowing
AI-Generated, displayed with permission

A perennial question in disputes about late disclosures is whether the demanding FRCP 16 "good cause" standard applies, which hinges on diligence, or whether the more forgiving Pennypack factors apply.

When it comes to case narrowing, there seems to be a building trend that the good cause standard applies, not the Pennypack factors. We've seen that multiple times when it comes to a plaintiff's decision to drop claims, and on Wednesday, Judge Burke issued a detailed opinion finding that good cause is likewise required to revise a defendant's election of prior art references.

In State Farm Mutual Automobile v. Amazon.com, Inc., C.A. No. 22-1447-CJB (D. Del.), the Court ordered the defendant to cut …

Illustrative Aid
AI-Generated, displayed with permission

Last week, Nate wrote a post titled "Demonstrative Lost" about an instance where the Court rejected the parties' attempt to lodge demonstrative exhibits used at trial in the record.

In response, we heard from a reader about an upcoming and brand-new rule of evidence, FRE 107, that may address exactly this point, plus some other issues regarding demonstratives at trial.

Here is the text of the new rule, which is projected to take effect on December 1, 2024:

Rule 107. Illustrative Aids
(a) Permitted Uses. The court may allow a party to present an illustrative aid to help the trier of fact understand the evidence or argument if the aid’s utility in …

Totally new case! Just ignore that one patent.
AI-Generated, displayed with permission

Yesterday, the Court dismissed a case where the plaintiff failed to list a related case involving one of the same patents in the civil cover sheet (one of several documents required for a new case). Witricity Corp. v. Ideanomics, Inc., C.A. No. 24-895-JLH, D.I. 15 (D. Del. Aug. 22, 2024).

The first case was assigned to visiting Judge Goldberg, who had stayed it. When the plaintiff filed the second case, it did not list the first case in the cover sheet, and the Court randomly assigned the second case to Judge Hall.

The defendant in the second case smartly informed the Court of the issue by filing a short "Notice Regarding Related Case" …

Just imagine the bird is a summary judgment motion.
Just imagine the bird is a summary judgment motion. AI-Generated, displayed with permission

Our blog readership remains pretty high these days, and we continue to grow subscribers. But not all District of Delaware attorneys follow the blog—yet.

That may be why, even though we've talked about these at length, parties continue to file separate "concise statements of material fact" in support of their summary judgment motions that list non-material facts and do not include pinpoint citations—potentially resulting in denial of their motion.

Here are some guidelines for when you are putting together a concise statement of material facts in support of an SJ motion:

  • Include only the material facts. If you could still win your motion if a fact …