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Darton Archery v. Bowtech & Excalibur Crossbow — Compound Bow Patent | PatSnap
Patent Litigation

Darton Archery v. Bowtech & Excalibur — Four Bow Patents, Dismissed With Prejudice

Darton Archery, LLC filed suit in the Delaware District Court against Bowtech, LLC and five Excalibur Crossbow entities, asserting four patents covering compound archery bows and crossbow safety systems. The case closed in 191 days after the parties filed a stipulated motion for dismissal with prejudice, with each side bearing its own costs.

Resolution time
191days
191 days — resolved before any claim construction or trial
Patents asserted
4
US9121658, US8714143, US6994079 & US9909832 — compound bows and crossbow dry-fire safety
Outcome
Dismissed with Prejudice
Stipulated dismissal with prejudice; each party bears its own costs and attorney's fees
Cost ruling
Each Side Bears Own
Court order: each party to bear its own costs, expenses, and attorney's fees
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

Four bow patents, six defendants, 191 days — then a clean exit

On February 6, 2023, Darton Archery, LLC filed a patent infringement action in the Delaware District Court against Bowtech, LLC, Bowtech GP, LLC, and four Excalibur Crossbow entities. The complaint asserted four U.S. patents — US9121658B1, US8714143B1, US6994079B1, and US9909832B2 — covering compound archery bows, synchronized cam systems, draw-stop mechanisms, and dry-fire safety technology for crossbows.

The case closed on August 16, 2023, after 191 days. The recorded Basis of Termination is 'Dismissed with Prejudice.' The docket order states that the parties filed a Stipulated Motion for Dismissal with Prejudice on August 11, 2023, representing that they had 'reached a resolution in this matter,' and that the court granted the motion pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(ii), dismissing all claims between the parties with prejudice, with each side bearing its own costs, expenses, and attorney's fees.

The 191-day timeline suggests the parties moved toward resolution relatively early in the litigation lifecycle, before any publicly recorded claim construction proceedings or trial scheduling milestones. The order notes a 'resolution' was reached but the specific terms of that resolution are not disclosed in the available public record. What drove the parties toward stipulated dismissal — whether licensing, design-around, or other commercial terms — cannot be determined from the docket.

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Case at a glance
DefendantBowtech, LLC
CourtDelaware District Court
JudgeJon P McCalla
FiledFebruary 6, 2023
ClosedAugust 16, 2023
Duration191 days
OutcomeDismissed with Prejudice
Verdict causeInfringement Action
BasisDismissed with Prejudice
Prior Art Intelligence
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Case timeline

Filing to Dismissed with Prejudice in 191 days

191 days — resolved before any claim construction or trial

Case timeline: Complaint filed FEB 6 2023 — 191 days total Horizontal timeline showing the three key events in Darton Archery, LLC v Bowtech, LLC from filing to resolution. Source: PACER, Delaware District Court. FEB 6 2023 Complaint filed Pre-trial proceedings AUG 16 2023 Dismissed with Prejudice 191 DAYS TOTAL
Patent at issue

US9121658, US8714143, US6994079 & US9909832 — Compound Bow & Crossbow Patents

Publication No.US9121658B1
Application No.US14/231872
Patent details
ProductCompound archery bow design and structure
Cited in actionFebruary 6, 2023

Publication No.US8714143B1
Application No.US13/281570
Patent details
ProductCompound archery bow with synchronized cams and draw stop
Cited in actionFebruary 6, 2023

Publication No.US6994079B1
Application No.US10/966167
Patent details
ProductDry-fire safety mechanism for crossbow
Cited in actionFebruary 6, 2023

Publication No.US9909832B2
Application No.US14/142345
Patent details
ProductCompound archery bow system
Cited in actionFebruary 6, 2023
Technical brief · sourced from PatSnap patent database
Patent figurePatent figure
Representative claim (1 of 1 independent)
1. A compound archery bow that includes: a bow handle; a limb projecting from the bow handle; and a pulley assembly coupled to the limb for rotation around an axis, and including: a bowstring cam including a bowstring track in a bowstring plane, a let-out cam carried by the bowstring cam and including a let-out track in a let-out plane spaced apart from the bowstring plane, an arcuately-shaped first take-up cam arcuately adjustably coupled to the bowstring cam and including a first take-up track in a take-up plane, and a first draw stop at one end of the first take-up cam.
Technical background
TECHNICAL FIELD The present disclosure is directed to compound archery bows, including cross bows, having pulleys at the ends of the bow limbs to control the draw characteristics of the bow. BACKGROUND AND SUMMARY OF THE DISCLOSURE Single-cam and dual-cam archery bows have a power cam mounted on one or both ends of the bow limbs to control the draw force on the bowstring and the bending of the limbs as the bowstring is drawn. In single-cam bows, there is a power cam on one end of the one bow limb, and a wheel on th…
Patent family
1 family member across 1 jurisdiction (US)
PatSnap Eureka · FTO Search Agent
Should you run an FTO against US9121658, US8714143, US6994079 & US9909832?

Any company designing, manufacturing, or importing compound archery bows with synchronized cam systems, draw-stop features, or crossbow dry-fire safety mechanisms should treat these four Darton patents as active enforcement risk. The dismissal with prejudice covers only the named Bowtech and Excalibur defendants — Darton retains full rights to assert these patents against other market participants. No claim construction ruling exists to narrow the scope of any claim.

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Official verdict

Official order — verbatim text

Before the Court is the Stipulated Motion for Dismissal with Prejudice, filed by the Parties on August 11, 2023. (ECF No. 38.) The Parties have reached a resolution in this matter. Accordingly, pursuant to the Stipulation of Dismissal and Federal Rule of Civil Procedure 41(a)(1)(A)(ii), the Motion is GRANTED and all claims between the parties in connection with this matter are hereby DISMISSED WITH PREJUDICE. Each party to bear its own costs, expenses, and attorney’s fees.
Source: PACER Docket, Case 1:23-cv-00140, Delaware District Court

The court's order grants a stipulated motion filed jointly by all parties, reciting that 'the Parties have reached a resolution in this matter.' The dismissal with prejudice forecloses re-filing of these specific patent claims against these defendants. Because the dismissal is stipulated and no merits ruling was issued, the order provides no judicial determination of infringement, validity, or claim scope for any of the four asserted patents.

PACER case 1:23-cv-00140 · Public docket record Explore in Eureka ↗
Dismissal terms

Dismissed with prejudice: what the stipulated resolution means for both parties

Legal mechanism

Stipulated dismissal with prejudice under Rule 41(a)(1)(A)(ii)

A dismissal with prejudice under Rule 41(a)(1)(A)(ii) is a court-entered termination agreed by all parties via stipulation. 'With prejudice' means Darton Archery cannot re-file the same claims against these defendants in federal court. The order reflects a mutually agreed, final exit from this litigation. The parties stated they had 'reached a resolution,' but the specific terms of that resolution are not disclosed in the available public record.

Final & non-refiling
Patent holder outcome

Darton's four patents survive — but this venue is closed permanently

A dismissal with prejudice bars Darton Archery from reasserting the same four patents against these specific Bowtech and Excalibur defendants in federal court. However, the patents themselves remain in force and are not invalidated by this outcome. Darton retains the ability to assert them against other parties. The underlying 'resolution' mentioned in the order is not detailed in the public record.

Patents intact; claims barred vs. these defendants
Defendant outcome

Bowtech and Excalibur entities obtain permanent closure on these four patent claims

The six defendant entities — Bowtech, LLC, Bowtech GP, LLC, and the four Excalibur Crossbow entities — obtain the benefit of a with-prejudice dismissal, meaning Darton cannot revive these specific claims in federal court against them. Each defendant also bears its own costs and fees. The commercial terms underlying the 'resolution' are not disclosed in the available public record.

Permanent bar on these claims
Commercial implications

Compound bow IP enforcement: early settlement signals active portfolio management

The rapid closure of a four-patent, six-defendant infringement action within 191 days is consistent with parties prioritising commercial certainty over prolonged litigation. Competitors in the compound bow and crossbow sector should note that Darton's four patents remain active and enforceable against third parties. The early resolution before claim construction suggests the scope of the asserted claims was not adjudicated on the merits.

Portfolio enforcement risk remains
Legal analysis based on PACER docket records for case 1:23-cv-00140 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffDarton Archery, LLCCompany/Search in Eureka ↗
DefendantBowtech, LLCCompany/Search in Eureka ↗
Co-DefendantBowtech GP, LLCCompanySearch in Eureka ↗
Co-DefendantExcalibur Crossbow Holdings, LLCCompanySearch in Eureka ↗
Co-DefendantExcalibur Crossbow Investors, LLCCompanySearch in Eureka ↗
Co-DefendantExcalibur Crossbow US, LLCCompanySearch in Eureka ↗
Co-DefendantExcalibur Crossbow, LLCCompanySearch in Eureka ↗
Plaintiff counselCarey Matthew RozierAttorneyCounsel for Darton Archery, LLCSearch in Eureka ↗
Plaintiff counselJamal M. EdwardsAttorneyCounsel for Darton Archery, LLCSearch in Eureka ↗
Plaintiff counselMichelle W. SkinnerAttorneyCounsel for Darton Archery, LLCSearch in Eureka ↗
Plaintiff counselRichard Charles WeinblattAttorneyCounsel for Darton Archery, LLCSearch in Eureka ↗
Plaintiff counselStamatios StamoulisAttorneyCounsel for Darton Archery, LLCSearch in Eureka ↗
Plaintiff counselTravis E. LynchAttorneyCounsel for Darton Archery, LLCSearch in Eureka ↗
Plaintiff law firmStamoulis & Weinblatt LLCLaw FirmRepresenting Darton Archery, LLCSearch in Eureka ↗
Defendant counselBrendan G. McDermottAttorneyCounsel for Bowtech, LLCSearch in Eureka ↗
Defendant counselJoseph S. NaylorAttorneyCounsel for Bowtech, LLCSearch in Eureka ↗
Defendant counselMichael R. AnnisAttorneyCounsel for Bowtech, LLCSearch in Eureka ↗
Defendant law firmSwartz Campbell LLCLaw FirmRepresenting Bowtech, LLCSearch in Eureka ↗
Presiding judgeJudge Jon P McCallaJudgeDelaware District CourtSearch in Eureka ↗
R&D signals

R&D signals in the compound bow & crossbow technology space

Patent intelligence derived from Darton Archery's enforcement action — tracking portfolio activity, filing trends, and white space in compound bow and crossbow innovation.

Patent portfolio

Darton Archery's patent portfolio scope in compound bow technology

Darton asserted four patents spanning compound bow architecture, cam synchronisation, draw-stop control, and crossbow dry-fire safety. Understanding the full breadth of Darton's filing activity — including continuation and continuation-in-part applications — reveals whether additional patents in the same technology family remain pending or granted and could support future enforcement actions.

Portfolio depth
Technology landscape

Filing trends in compound bow cam and draw-stop mechanism patents

Synchronized cam systems and draw-stop mechanisms are active areas of R&D differentiation in performance compound bows. Tracking patent filing activity across major bow manufacturers — including Bowtech, Hoyt, Mathews, and Bear Archery — reveals competitive innovation clusters and potential claim overlap zones relevant to product development teams.

Innovation clustering
Competitor IP posture

Bowtech and Excalibur's patent filing activity in bow and crossbow design

As named defendants, Bowtech, LLC and the Excalibur Crossbow entities hold their own IP positions in the compound bow and crossbow market. Mapping their granted patents and pending applications identifies defensive assets, potential cross-licensing leverage, and technology areas where their R&D investment is concentrated — informative for any party entering into or competing within this sector.

Defensive IP mapping
White space

Adjacent innovation opportunities near dry-fire safety and cam control

The asserted patents cluster around dry-fire prevention, cam synchronisation, and draw-stop mechanics. White-space analysis adjacent to these claim areas — including electronic draw monitoring, sensor-integrated limb systems, and digital cam tuning — may reveal patentable territory with lower prior-art density, relevant for R&D teams seeking defensible differentiation in the archery equipment market.

White space opportunity
Related litigation

Similar compound bow & crossbow patent infringement cases in U.S. district courts

Explore patent infringement cases involving compound archery bow, crossbow, and sports equipment patents litigated in U.S. district courts, including Delaware.

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Darton Archery, LLC patent enforcement history, Delaware District Court case history, Darton Archery, LLC's full IP portfolio, and comparable case analysis
Other Darton patent suitsBowtech prior IP disputesCrossbow safety patent casesSports equipment IP in Delaware
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Strategic implications

What this case signals for the archery equipment IP landscape

A fast, stipulated exit across four patents and six defendants points to active portfolio enforcement — and unresolved claim scope.

Darton's four patents remain enforceable against the broader market

The with-prejudice dismissal extinguishes claims only against these specific defendants. US9121658, US8714143, US6994079, and US9909832 are not invalidated. Any other compound bow or crossbow manufacturer whose products touch synchronized cam, draw-stop, or dry-fire safety technology faces live enforcement risk from Darton's portfolio.

No merits ruling: claim scope remains judicially undetermined

Because the case resolved before claim construction, no court has publicly defined the boundaries of Darton's four asserted patents. This is a double-edged signal: defendants avoided a potentially adverse claim construction, but competitors cannot rely on any narrowing interpretation. FTO analysis against these patents should treat claim scope as fully open.

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Unlock deeper enforcement and portfolio signals for the compound bow and crossbow sector from this Delaware District Court case.
Excalibur entity mappingCam & draw-stop claim scopeDarton portfolio filing trends
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Analysis powered by PatSnap Eureka Litigation Intelligence Explore in Eureka ↗
Frequently asked questions

Darton v Bowtech — key questions answered

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PatSnap Eureka

Assess your FTO exposure across Darton's compound bow and crossbow patents

With no claim construction on record, the boundaries of US9121658, US8714143, US6994079, and US9909832 remain judicially undefined. Use PatSnap Eureka to map your product features against these claims and monitor Darton's enforcement activity.

Disclaimer

This page is compiled from public court dockets and third-party patent and litigation data via PatSnap Eureka, and is provided for general informational purposes only. The information shown — including party names, patent and application numbers, dates, case status, outcomes, and any analysis — may be incomplete, may not reflect the most recent filings or legal status, and may contain errors or omissions. Verify all details against official court records (for example, PACER) and the relevant patent office before relying on them.

Nothing on this page constitutes legal advice or a legal opinion on the validity, infringement, enforceability, or scope of any patent or case, and no attorney‑client relationship is created by its use. Any description of an outcome (such as a dismissal, settlement, or consent judgment) is a general summary, not a legal determination. All patents, trademarks, and company or law‑firm names are the property of their respective owners. PatSnap makes no warranty as to the accuracy or completeness of this content and disclaims, to the fullest extent permitted by law, all liability for reliance on it. For advice on a specific matter, consult qualified legal counsel.

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