In a case that concluded without any monetary payment to the plaintiff, VDPP, LLC’s patent infringement action against American Honda Motor Co., Inc. was dismissed with prejudice in the U.S. District Court for the Central District of California (Case No. 2:24-cv-01501) on July 25, 2024. The suit, filed just 153 days earlier on February 23, 2024, centered on U.S. Patent No. US9426452B2, covering technology related to continuously adjustable 3Deeps filter spectacles using multi-layered variable tint materials. Rather than proceeding to trial, the parties reached a negotiated resolution under which VDPP granted Honda and its affiliates a complete release and covenant not to sue — with zero monetary compensation from Honda — in exchange solely for Honda foregoing its claim for costs and attorneys’ fees.

This outcome carries significant strategic weight for IP professionals monitoring non-practicing entity (NPE) litigation tactics, particularly in the automotive and optical display technology sectors. The resolution — effectively a capitulation by the plaintiff — raises important questions about claim viability, assertion strategy, and the growing risk that NPEs face when defendants are prepared to aggressively pursue fee-shifting remedies under 35 U.S.C. § 285. In-house IP teams at automotive OEMs and R&D leaders developing adaptive display or variable-tint optical technologies should take note of both the patent’s claim scope and the litigation dynamics that produced this outcome.

Case Overview

The Parties

The Patent at Issue

U.S. Patent No. 9,426,452 (Application No. 14/850,750) covers technology for rapidly transitioning the tint state of multi-layered variable tint spectacles — essentially smart eyewear that can quickly and continuously adjust how dark or light its lenses appear. The patent’s core innovation lies in optimizing the speed and control of these tint adjustments using layered material configurations, which has applications in both consumer eyewear and potentially in adaptive optical displays or heads-up display (HUD) systems in vehicles. The real-world relevance to automotive products, such as adaptive visors, HUDs, or driver-assistance display systems, formed the basis of VDPP’s infringement theory against Honda.

• • US9426452B2

Legal Representation

Plaintiff Counsel: Ramey LLP (lead: Susan S. Q. Kalra)
Defendant Counsel: Reichman Jorgensen Lehman and Feldberg, LLP (lead: Aaron Lloyd Morris)

Litigation Timeline & Procedural History

VDPP, LLC filed its complaint in the U.S. District Court for the Central District of California on February 23, 2024 — a venue that, while not the most historically plaintiff-friendly for patent cases, offers established patent litigation infrastructure and proximity to major automotive and technology industry players. The Central District of California is a first-instance (district court) forum, meaning this case was positioned for full merits adjudication including claim construction, fact discovery, and potential trial before a jury, though it never advanced to any of those stages.

The case closed just 153 days after filing — a notably short lifespan that signals early resolution rather than protracted litigation. The termination basis of ‘Dismissed with Prejudice’ pursuant to Fed. R. Civ. P. 41(a)(1)(A)(ii) reflects a stipulated voluntary dismissal by both parties, not a court-ordered ruling on the merits. The reference to prior ECF Nos. 30 and 32 — earlier partial dismissals — suggests some claims or defendants may have been narrowed before the final settlement. The absence of any monetary payment flowing to VDPP, combined with the grant of a broad covenant not to sue covering VDPP and all its affiliates, strongly indicates that Honda’s threat of seeking attorneys’ fees under an ‘exceptional case’ theory was a decisive factor in collapsing VDPP’s litigation position.

The Verdict & Legal Analysis

Outcome

The case was dismissed with prejudice by stipulation of both parties on July 25, 2024, with no monetary damages awarded to VDPP, LLC and no injunctive relief granted. In the settlement, VDPP and all of its affiliates provided Honda and all of its affiliates with a complete release and a covenant not to sue with respect to all of VDPP’s patents — a remarkably broad concession — in exchange solely for Honda agreeing to waive its right to seek costs and attorneys’ fees. Each party agreed to bear its own litigation costs and expenses, and no determination was made on the merits of patent infringement, validity, or claim construction.

Verdict Cause Analysis

The infringement action’s resolution without payment to the plaintiff reflects several compounding legal and strategic pressures that drove VDPP toward capitulation

• Honda’s credible threat to pursue attorneys’ fees under 35 U.S.C. § 285 for an ‘exceptional case’ determination appears to have been the pivotal leverage point, as VDPP’s sole consideration for granting a complete royalty-free release was Honda’s agreement to forgo this fee motion.
• The prior partial dismissals recorded at ECF Nos. 30 and 32 suggest that VDPP’s claims were already being narrowed or challenged at an early stage, likely through motions targeting specific accused products or patent claims, weakening the plaintiff’s overall litigation posture.
• The breadth of the covenant not to sue — covering not just the asserted patent but all of VDPP’s patents, and extending to all Honda and VDPP affiliates — indicates Honda negotiated a complete exit from any future assertion risk from this patent holder, reflecting the defendant’s strong bargaining position.
• The 153-day case duration is consistent with a defendant-side strategy of applying early, aggressive litigation pressure through fee-shifting threats and substantive motion practice, designed to make continued assertion economically irrational for an NPE plaintiff.

Legal Significance

1. 1. This outcome illustrates the increasing effectiveness of fee-shifting threats under 35 U.S.C. § 285 as a defendant-side tool against NPE plaintiffs, particularly when the NPE lacks strong claim charts or faces early adverse procedural rulings — the settlement structure here is effectively a record of that leverage.
2. 2. The scope of the covenant not to sue, extending to all VDPP patents and all Honda affiliates, sets a notable precedent for how defendants in NPE cases can use the threat of an exceptional-case finding to negotiate comprehensive IP peace rather than just case-specific resolution.
3. 3. For practitioners monitoring patent assertion activity in automotive display and optical technology, this case signals that claims asserting variable tint or adaptive filter patents against automotive OEMs face significant viability hurdles, particularly when the accused products involve established vehicle display or HUD systems with strong prior art and design-around histories.

Strategic Takeaways

For Patent Attorneys:

• When representing automotive OEM defendants against NPE plaintiffs asserting optical or display technology patents, immediately evaluate the factual record for an ‘exceptional case’ finding under § 285 — the credible threat of fee-shifting can be a case-dispositive tool that forces broad, royalty-free resolution.
• Structure early motion practice (e.g., motions to dismiss, early claim construction briefing, or targeted summary judgment motions) to create procedural pressure that undermines the NPE’s litigation economics before substantial discovery costs accumulate.
• Negotiate settlement terms that include affiliate-wide covenants not to sue and releases covering the entire asserted patent portfolio — not just the patents-in-suit — as demonstrated here, where Honda secured comprehensive IP protection from all VDPP patents.
• Document all indicia of an ‘exceptional case’ from the outset — including weak claim charts, lack of pre-suit investigation evidence, and any history of vexatious assertion by the plaintiff — to build a compelling § 285 fee motion record that can be deployed as settlement leverage.

For IP Professionals:

• In-house IP teams at automotive OEMs should maintain a watchlist for VDPP, LLC and its affiliates given the broad covenant not to sue obtained here — verify that your entity falls within the Honda affiliate umbrella if applicable, and monitor whether VDPP pursues similar assertions against peer OEMs using the same or related patents.
• This case reinforces the value of maintaining robust litigation defense budgets with explicit fee-shifting strategies: the ability to credibly threaten a § 285 motion converted a potentially costly NPE suit into a zero-payment outcome with comprehensive IP release, delivering significant strategic value beyond mere case termination.

For R&D Teams:

• R&D and product engineering teams developing adaptive optics, variable tint systems, or heads-up display components for automotive applications should commission a Freedom-to-Operate analysis against U.S. Patent No. 9,426,452 and its citation family, even though this case settled — the patent remains active and could be asserted against other automotive technology developers.
• Consider documenting design choices and prior art references that distinguish your adaptive display or variable tint implementations from the multi-layered tint transitioning architecture claimed in US9426452B2, as proactive design-around documentation strengthens both FTO positions and future litigation defense.