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.
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.
See Complete Case & Patent Analysis →Filing to Dismissed with Prejudice in 191 days
191 days — resolved before any claim construction or trial
US9121658, US8714143, US6994079 & US9909832 — Compound Bow & Crossbow Patents


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.
Official order — verbatim text
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.
Dismissed with prejudice: what the stipulated resolution means for both parties
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-refilingDarton'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 defendantsBowtech 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 claimsCompound 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 remainsFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Darton Archery, LLC | Company | /Search in Eureka ↗ |
| Defendant | Bowtech, LLC | Company | /Search in Eureka ↗ |
| Co-Defendant | Bowtech GP, LLC | Company | Search in Eureka ↗ |
| Co-Defendant | Excalibur Crossbow Holdings, LLC | Company | Search in Eureka ↗ |
| Co-Defendant | Excalibur Crossbow Investors, LLC | Company | Search in Eureka ↗ |
| Co-Defendant | Excalibur Crossbow US, LLC | Company | Search in Eureka ↗ |
| Co-Defendant | Excalibur Crossbow, LLC | Company | Search in Eureka ↗ |
| Plaintiff counsel | Carey Matthew Rozier | Attorney | Counsel for Darton Archery, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jamal M. Edwards | Attorney | Counsel for Darton Archery, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Michelle W. Skinner | Attorney | Counsel for Darton Archery, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Richard Charles Weinblatt | Attorney | Counsel for Darton Archery, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Stamatios Stamoulis | Attorney | Counsel for Darton Archery, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Travis E. Lynch | Attorney | Counsel for Darton Archery, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Stamoulis & Weinblatt LLC | Law Firm | Representing Darton Archery, LLCSearch in Eureka ↗ |
| Defendant counsel | Brendan G. McDermott | Attorney | Counsel for Bowtech, LLCSearch in Eureka ↗ |
| Defendant counsel | Joseph S. Naylor | Attorney | Counsel for Bowtech, LLCSearch in Eureka ↗ |
| Defendant counsel | Michael R. Annis | Attorney | Counsel for Bowtech, LLCSearch in Eureka ↗ |
| Defendant law firm | Swartz Campbell LLC | Law Firm | Representing Bowtech, LLCSearch in Eureka ↗ |
| Presiding judge | Judge Jon P McCalla | Judge | Delaware District CourtSearch in Eureka ↗ |
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.
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 depthFiling 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 clusteringBowtech 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 mappingAdjacent 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 opportunitySimilar 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.
Related patent case — similar technology
Comparable case in the same technology domain. Patent holder and defendant reached resolution after proceedings.
SettledRelated infringement action — same court
Comparable Compound archery bow-adjacent infringement action. Patent enforcement dynamics analysed in depth.
Active · District CourtRelated invalidity challenge — appellate outcome
Combined invalidity and infringement action in the same technology space. Decided after substantive proceedings.
DecidedDarton Archery, LLC's broader IP enforcement history
Darton Archery, LLC's full litigation history covering prior enforcement, licensing activity, and inter partes review proceedings.
Portfolio viewWhat 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.
Six-entity defendant structure suggests complex ownership — track the Excalibur chain
The inclusion of Bowtech GP, LLC and four distinct Excalibur Crossbow entities (Holdings, Investors, US, and LLC) in a single infringement action suggests a layered corporate structure. IP professionals monitoring this space should map which entity actually manufactures, imports, or sells the accused products — relevant for any future enforcement or licensing dialogue.
Early resolution before claim construction: licensing leverage or design-around?
A 191-day resolution of a four-patent case with no publicly recorded markman hearing is consistent with either a licensing arrangement or a rapid design-around. The public record does not disclose which. Competitors assessing freedom to operate should investigate whether current Bowtech and Excalibur product lines have been modified post-resolution.
Darton v Bowtech — key questions answered
The case was dismissed with prejudice on August 16, 2023, after 191 days. The parties jointly filed a Stipulated Motion for Dismissal with Prejudice on August 11, 2023, representing that they had reached a resolution. The court granted the motion under Federal Rule of Civil Procedure 41(a)(1)(A)(ii). Each party was ordered to bear its own costs, expenses, and attorney's fees. The specific terms of the resolution are not disclosed in the available public record.
Darton Archery asserted four U.S. patents: US9121658B1 (App. No. US14/231872), US8714143B1 (App. No. US13/281570), US6994079B1 (App. No. US10/966167), and US9909832B2 (App. No. US14/142345). These patents cover compound archery bow designs, synchronized cam and draw-stop mechanisms, and dry-fire safety systems for crossbows.
A dismissal with prejudice bars Darton Archery from re-filing the same patent claims against these specific named defendants — Bowtech, LLC, Bowtech GP, LLC, and the four Excalibur Crossbow entities — in federal court. The four asserted patents remain in force and are not invalidated. Darton retains the right to assert them against other parties not named in this action.
No. The case resolved before any publicly recorded claim construction (Markman) hearing. The dismissal with prejudice was stipulated by the parties before the court made any merits rulings. As a result, no judicial interpretation of the claim language of US9121658, US8714143, US6994079, or US9909832 is available from this proceeding.
Six defendants were named: Bowtech, LLC; Bowtech GP, LLC; Excalibur Crossbow Holdings, LLC; Excalibur Crossbow Investors, LLC; Excalibur Crossbow US, LLC; and Excalibur Crossbow, LLC. The multi-entity structure across Excalibur is consistent with a layered holding and operating company structure common in private equity-backed businesses. The complaint addressed all six entities; the public record does not specify which entity performed which accused acts.
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.
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