A patent infringement action filed in the Eastern District of California concluded on August 27, 2024, when Pacific Receivables, LLC and defendants T-3 Green House Supply, LLC, Mathew Hawk, Thomas E. Rawlins, and Matthew Hawk jointly stipulated to dismiss the case without prejudice under Federal Rule of Civil Procedure 41(a)(1)(A)(ii). The dispute centered on patents covering automated retractable greenhouse cover technology and a folding drinking cup, with each party bearing its own fees and costs following 448 days of litigation.

The voluntary dismissal without prejudice leaves open the possibility of re-filing, making this case a critical signal for IP professionals in the controlled environment agriculture and greenhouse equipment sectors. Patent holders in automated greenhouse cover technology and downstream assignees like Pacific Receivables should closely monitor this outcome, as the unresolved infringement questions may re-emerge in future proceedings or licensing negotiations.

Case Overview

The Parties

The Patents at Issue

The patents at the center of this dispute cover two distinct technologies: a top-furling automated retractable greenhouse cover system (US9642315B2 and US10251346B2) that enables greenhouse operators to open and close protective coverings over growing areas in an automated manner, and a folding drinking cup design (US1129778A) with a corrected number suggesting a much earlier design patent. The greenhouse cover patents describe mechanical and automated systems for retracting flexible covers along a track or furling mechanism, improving efficiency in climate-controlled agricultural environments. These technologies are commercially relevant to controlled-environment agriculture, cannabis cultivation facilities, and commercial greenhouse operators seeking energy-efficient climate management.

• • US1912696662
• • US9642315B2
• • US10251346B2

Legal Representation

Plaintiff Counsel: Law Office of David Clark (lead: David G. Clark)
Defendant Counsel: Moore & Bogener Inc. (lead: Aaron Wayne Moore)

Litigation Timeline & Procedural History

This action was filed on June 6, 2023, in the United States District Court for the Eastern District of California, a venue that handles a significant volume of agricultural and technology patent disputes given the region’s strong agricultural and horticultural industry presence. As a first-instance district court case, the litigation proceeded at the trial level without any prior appellate or administrative proceedings in this record, meaning no inter partes review or PTAB challenge was reflected in the case data.

The case ran for 448 days before being closed on August 27, 2024, resolved not by trial verdict or dispositive motion but through a voluntary stipulated dismissal filed under Rule 41(a)(1)(A)(ii), recorded as ECF No. 57. This procedural mechanism requires agreement of all parties who have appeared, suggesting the defendants were actively engaged and that a negotiated resolution — likely a settlement, licensing agreement, or strategic withdrawal — preceded the joint dismissal. The without-prejudice designation is legally significant: it preserves plaintiff’s right to re-file the same claims, and the mutual cost-bearing arrangement suggests neither side achieved a clearly dominant litigation posture.

The Verdict & Legal Analysis

Outcome

The court ordered the action dismissed without prejudice pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(ii) and the parties’ Stipulation of Dismissal (ECF No. 57), with each party bearing its own attorneys’ fees and costs. No infringement findings, claim constructions, validity determinations, or damages awards were entered by the court. All previously scheduled deadlines and hearings were vacated, and the case was formally closed without adjudication on the merits.

Verdict Cause Analysis

The voluntary stipulated dismissal reflects a negotiated exit rather than a judicial ruling on the infringement claims, with the following procedural and strategic elements shaping the outcome:

• The parties jointly filed a stipulation of dismissal under Rule 41(a)(1)(A)(ii), which requires consent of all parties who have appeared and filed an answer or motion for summary judgment, confirming defendants were actively litigating.
• The dismissal was entered without prejudice, meaning Pacific Receivables retains the right to re-assert the same patent claims against the same or different defendants in future proceedings.
• Each party bearing its own fees and costs is characteristic of a negotiated resolution — typically a settlement or licensing arrangement — rather than a plaintiff concession of weakness or a defendant’s prevailing party fee motion.
• No claim construction order or dispositive ruling was entered, leaving the scope and validity of US9642315B2 and US10251346B2 legally untested and potentially useful in future enforcement actions.

Legal Significance

1. 1. Because the case was dismissed without prejudice and without any claim construction ruling, the asserted patents US9642315B2 and US10251346B2 retain their full presumption of validity and have not been narrowed by judicial interpretation, preserving their enforcement value for future litigation or licensing.
2. 2. The inclusion of individual defendants Mathew Hawk, Thomas E. Rawlins, and Matthew Hawk alongside the corporate entity signals a strategy of personal liability exposure for company principals in patent infringement cases, a tactic with growing prevalence in SME-focused patent enforcement campaigns.
3. 3. The without-prejudice dismissal combined with mutual cost-bearing creates an ambiguous public record that may complicate future defendants’ ability to argue res judicata or claim estoppel, leaving the field open for reassertion of these greenhouse cover technology patents.

Strategic Takeaways

For Patent Attorneys:

• When representing patent holding entities like Pacific Receivables, structure pre-litigation licensing outreach carefully — the 448-day duration before stipulated dismissal suggests earlier resolution mechanisms may have been more cost-efficient.
• Including corporate principals as individual defendants under theories of direct infringement or inducement can create significant settlement leverage, as demonstrated by the joinder of Hawk and Rawlins alongside the corporate entity.
• Pursue claim construction early in district court to either validate or test patent scope — the absence of any Markman ruling here means the patents remain uninterpreted, which is a double-edged sword for future enforcement efforts.
• In cases involving patent assignment chains (as with Pacific Receivables), ensure standing is impeccably documented prior to filing, as assignment-based standing challenges are a common early defense in district court proceedings.

For IP Professionals:

• Monitor US9642315B2 and US10251346B2 closely — the without-prejudice dismissal means Pacific Receivables may re-assert these patents, and companies in the automated greenhouse cover space should assess their FTO exposure proactively.
• IP holding entities targeting agricultural technology companies increasingly name individual company officers as defendants; in-house teams should advise management on personal indemnification clauses in IP licensing and supply agreements.

For R&D Teams:

• Engineers developing automated retractable greenhouse cover systems should conduct freedom-to-operate analyses against US9642315B2 and US10251346B2 before product launch, as these patents remain valid and enforceable despite the dismissal.
• Consider design-around strategies for top-furling cover mechanisms — review the claim language of the ‘315 and ‘346 patents to identify alternative furling, rolling, or folding actuation methods that avoid the asserted claims.