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Magpul v. Elite Tactical Systems: Polymer Magazine Patent Consent Judgment | PatSnap
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Case ID3:24-cv-00854
FiledOct 2024
ClosedJun 2025
Patent Litigation

Magpul v. Elite Tactical Systems: Permanent Injunction Over Polymer Magazine Patents

Magpul Industries Corp. filed suit against Elite Tactical Systems Group LLC in the Northern District of Indiana alleging infringement of two polymer ammunition magazine patents. The case resolved in 229 days via consent judgment, with ETS permanently enjoined from selling the accused magazines and ordered to pay $70,612.50 in past royalties at $3.50 per unit.

Resolution time
229days
229 days — resolved faster than the median U.S. patent district court case
Patents asserted
2
US9746264B2 and US8991086B2 — polymer ammunition magazine design and structure
Outcome
Consent Judgment
Judgment entered in Magpul’s favor; ETS permanently enjoined effective September 1, 2025
Cost ruling
Each Party Bears
Each party to bear its own costs, expenses, and fees under the consent judgment terms
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

Magpul secures injunction and royalties over ETS polymer magazine line

On October 18, 2024, Magpul Industries Corp., a leading firearms accessories manufacturer and holder of US9746264B2 and US8991086B2, filed a patent infringement action against Elite Tactical Systems Group LLC in the U.S. District Court for the Northern District of Indiana. The patents-in-suit cover polymer ammunition magazine technology, and the accused products were ETS’s 30-round 5.56x45mm NATO/.223 Remington polymer magazines sold in multiple colorways, with and without a coupler.

The case closed on June 4, 2025, through a Joint Motion for Final Consent Judgment and Entry of Permanent Injunction. The court found the patents valid and enforceable, determined that the accused products infringe claims 6 and 10 of the ‘264 Patent and claims 6 and 9 of the ‘086 Patent, and ordered ETS to pay $70,612.50 in past royalties. A permanent injunction takes effect September 1, 2025, barring ETS from making, selling, importing, or inducing others to exploit the accused products in the U.S.

Resolution in 229 days is notably swift for a patent infringement case, suggesting the parties reached settlement terms relatively early after filing, possibly following a rapid assessment of infringement exposure. The consent judgment also includes a no-challenge clause preventing ETS from contesting patent validity in future proceedings, which substantially strengthens Magpul’s enforcement posture. The precise volume of infringing units sold — approximately 20,175 units implied by the per-unit royalty — remains the only disclosed commercial figure; broader revenue or market share data are not part of the public record.

Case at a glance
Case no.3:24-cv-00854
CourtIndiana Northern
JudgeN/A
FiledOctober 18, 2024
ClosedJune 4, 2025
Duration229 days
OutcomeConsent Judgment
Verdict causeInfringement Action
BasisConsent Judgment
Prior Art Intelligence
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Case data sourced from PACER / Indiana Northern District Court via PatSnap Eureka Litigation Intelligence Explore similar cases ↗
Case timeline

Filing to Consent Judgment in 229 days

229 days — resolved faster than the median U.S. patent district court case

Case timeline: Complaint filed OCT 18 2024, FEB–MAR — 229 days total Horizontal timeline showing the three key events in Magpul Industries Corp v Elite Tactical Systems Group LLC from filing to resolution. Source: PACER, Indiana Northern District Court. OCT 18 2024 Complaint filed Pre-trial proceedings JUN 4 2025 Consent Judgment 229 DAYS TOTAL
Settlement terms

Consent judgment entered: what Magpul’s win means for both parties

Legal mechanism

Consent judgment is a court-enforceable settlement binding on successors

A consent judgment merges the parties’ private settlement agreement into a court order, giving it the force of a judicial decree. Unlike a standard dismissal, breach can be pursued as contempt of court rather than a fresh breach-of-contract claim. Here, the court explicitly retained jurisdiction to enforce the judgment, and its terms expressly bind ETS’s successors and assigns — meaning an acquirer of ETS would inherit all obligations.

Court-enforceable decree
Patent holder outcome

Magpul obtains injunction, royalties, and a no-challenge shield

Magpul achieved the primary remedies available in patent litigation: a permanent injunction effective September 1, 2025, that stops ETS from competing with the accused product line, plus $70,612.50 in past royalties. Crucially, the consent judgment includes a validity non-challenge clause — ETS and any party acting in concert with it is barred from challenging the ‘264 and ‘086 patents in any future proceeding, reinforcing Magpul’s ability to enforce these patents against other competitors.

Injunction + royalties secured
Challenger outcome

ETS exits the accused product line and loses validity challenge rights

ETS agreed to stop selling the current versions of its 30-round .223/5.56 polymer magazines in the U.S. as of September 1, 2025, and to pay $70,612.50 in royalties by December 1, 2025. ETS also permanently waived the right to challenge patent validity — a significant concession that forecloses IPR petitions and declaratory judgment actions. ETS may potentially redesign products to design around the asserted claims, though the consent judgment’s broad definition of ‘Accused Magazine Products’ suggests any new design will require careful clearance.

Product line injunction; no-challenge clause
Commercial implications

Strengthened Magpul patent position raises the bar for rival polymer magazine makers

With validity confirmed by court order and a no-challenge clause in place, Magpul’s ‘264 and ‘086 patents are now more resilient enforcement tools. Other manufacturers of AR-platform polymer magazines — particularly those marketing 30-round 5.56x45mm products — face heightened risk if their designs implicate claims 6 and 10 of the ‘264 Patent or claims 6 and 9 of the ‘086 Patent. The $3.50 per-unit royalty rate established here may also function as a pricing signal in future licensing negotiations within the firearms accessories sector.

Elevated enforcement risk for competitors
Legal analysis based on PACER docket records for case 3:24-cv-00854 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffMagpul Industries CorpCompanyFirearms accessories manufacturer — holder of polymer magazine patents US9746264B2 and US8991086B2Search in Eureka ↗
DefendantElite Tactical Systems Group LLCCompanyETS Group — manufacturer of polymer ammunition magazines for AR-platform riflesSearch in Eureka ↗
Plaintiff counselBrian E Mitchell PHVAttorneyCounsel for Magpul Industries CorpSearch in Eureka ↗
Plaintiff counselDaniel A Crowe PHVAttorneyCounsel for Magpul Industries CorpSearch in Eureka ↗
Plaintiff counselHoliday Wellington BantaAttorneyCounsel for Magpul Industries CorpSearch in Eureka ↗
Plaintiff law firmBryan Cave LLP – SL/MOLaw FirmRepresenting Magpul Industries CorpSearch in Eureka ↗
Plaintiff law firmIce Miller LLP (Ind/IN)Law FirmRepresenting Magpul Industries CorpSearch in Eureka ↗
Plaintiff law firmMitchell & Company Law OfficesLaw FirmRepresenting Magpul Industries CorpSearch in Eureka ↗
Defendant counselGlenn D BellamyAttorneyCounsel for Elite Tactical Systems Group LLCSearch in Eureka ↗
Defendant counselGregory F. AhrensAttorneyCounsel for Elite Tactical Systems Group LLCSearch in Eureka ↗
Defendant law firmWood Herron & Evans LLPLaw FirmRepresenting Elite Tactical Systems Group LLCSearch in Eureka ↗
Presiding judgeJudge N/AJudgeIndiana Northern District CourtSearch in Eureka ↗
Official verdict

Official order — verbatim text

“Before the Court is Plaintiff Magpul Industries Corp. (“Magpul”) and Defendant Elite Tactical Systems Group, LLC’s (“ETS”) Joint Motion for Final Consent Judgment and Entry of Permanent Injunction. Pursuant to the parties’ Settlement Agreement, the Parties agreed to, and seek to have, the following consent judgment and permanent injunction entered. IT IS ORDERED, ADJUDGED, AND DECREED: 1. The Court has subject matter jurisdiction over this proceeding and personal jurisdiction over Magpul and ETS. 28 U.S.C. §§ 1331, 1338(a), 1391(b) & (c), and 1400(b). 2. Magpul owns United States Patent Nos. 8,991,086 (“the ‘086 Patent”) and 9,746,264 (“the ‘264 Patent) (collectively the “Patents-in-Suit”). 3. The claims of the Patents-in-Suit are valid and enforceable. 4. “Accused Magazine Products” means any ammunition magazine the manufacturing, import, export, use, offer for sale, sale, or distribution or other exploitation or disposition of which would directly or indirectly infringe at least one claim of one or more of the Patents-in-Suit. Accused Magazine Products include the ETS 30-round 5.56x45mm NATO/.223 polymer magazines in various colors and styles, including and not limited to black-, green-, tan-, and “smoke”-colored magazines with and without a coupler. 5. The current versions of the Accused Magazine Products infringe claims 6 and 10 of the ‘264 Patent and claims 6 and 9 of the ‘086 Patent. 6. Effective September 1, 2025, ETS and ETS’s owners, employees, officers, directors, partners, agents, successors, and assigns, and all other persons in active concert or participation with them, are permanently enjoined from: (i) making, offering to sell, or selling in the U.S., or importing into the U.S., the current versions of the Accused Magazine Products; (ii) inducing others to do so; and (iii) directly or indirectly challenging, or otherwise assisting any third party in challenging, the validity or enforceability of any of the Patents-in-Suit, including in any proceeding to enforce this Consent Judgment and Entry of Permanent Injunction. 7. No later than December 1, 2025, ETS shall make a payment to Magpul of $70,612.50 as a royalty for past sales, which reflects a royalty of $3.50 per Accused Magazine Product sold. 8. Judgment is hereby entered in Magpul’s favor against ETS on all claims, counterclaims, and defenses in this action. 9. All remaining claims shall be and hereby are dismissed with prejudice, with each party to bear its own costs, expenses, and fees, provided, however, that the Court shall retain jurisdiction to enforce this Consent Judgment and Entry of Permanent Injunction. 10. This Order shall inure to the benefit of and shall be enforceable by Magpul and its successors and assigns against ETS and ETS’s successors and assigns.”
Source: PACER Docket, Case 3:24-cv-00854, Indiana Northern District Court

The consent judgment language is unusually comprehensive: it explicitly confirms patent validity and enforceability, identifies specific infringing claims by number, and sets a per-unit royalty rate — all of which are binding judicial findings rather than merely contractual recitals. The inclusion of a no-challenge clause and successor-binding language signals that Magpul negotiated for maximum future enforceability, not merely cessation of ETS’s infringing conduct. The royalty figure of $70,612.50 at $3.50 per unit implies approximately 20,175 units sold, providing a rare quantified infringement metric in a consent judgment context.

PACER case 3:24-cv-00854 · Public docket record Explore in Eureka ↗
Patent at issue

US9746264B2 & US8991086B2 — Polymer Ammunition Magazine Technology

Publication No.US9746264B2
Application No.US14/632804
Patent details
ProductPolymer ammunition magazine structural design and feed geometry for AR-platform rifles
Cited in actionOctober 18, 2024

Publication No.US8991086B2
Application No.US14/461229
Patent details
ProductPolymer ammunition magazine construction and locking features for AR-platform rifles
Cited in actionOctober 18, 2024

US9746264B2 (application no. US14/632804) and US8991086B2 (application no. US14/461229) together protect key structural and functional aspects of Magpul’s polymer ammunition magazine technology. The patents cover design elements that are central to the performance, durability, and compatibility of polymer magazines used in AR-platform rifles — one of the highest-volume categories in the civilian firearms accessories market. The asserted claims (6 and 10 of the ‘264; 6 and 9 of the ‘086) are dependent claims, indicating they cover specific structural refinements on top of broader independent claim foundations.

Magpul’s PMAG is widely regarded as the market-defining polymer magazine for AR-platform rifles, and these patents form part of the IP scaffolding protecting that product line. Competing manufacturers offering 30-round 5.56x45mm polymer magazines — particularly those targeting price-sensitive segments where ETS competed — face direct infringement risk if their products share the structural features covered by the asserted claims. The consent judgment’s validity confirmation and no-challenge clause mean these patents cannot now be weakened via IPR by ETS or any party working in concert with it, making them significantly more durable enforcement assets.

Patent data sourced from USPTO via PatSnap Eureka patent database Search patent records in Eureka ↗
Freedom to operate

Should you run an FTO against US9746264B2 and US8991086B2?

Any company developing, manufacturing, or importing 30-round polymer ammunition magazines for AR-platform rifles — particularly those chambered in 5.56x45mm NATO or .223 Remington — should treat Magpul’s ‘264 and ‘086 patents as live enforcement risks. This case demonstrates that Magpul actively monitors competitor products and is willing to litigate, and that the specific dependent claims asserted here are court-confirmed as valid and infringed. Even design variations in color, coupler configuration, or branding do not appear to insulate products from infringement exposure based on the broad product definition in the consent judgment.

PatSnap Eureka’s FTO Search Agent allows R&D and product teams to map their polymer magazine designs against the specific claim language of US9746264B2 and US8991086B2 before market entry. Eureka can surface the full claim trees, identify dependent claim boundaries, and flag cited prior art that may inform design-around strategies. Combined with Eureka’s litigation monitoring, teams can track whether Magpul files additional enforcement actions in this space — enabling proactive IP risk management rather than reactive litigation response.

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Related litigation

Similar polymer ammunition magazine patent cases in U.S. district courts

Explore related patent infringement actions involving polymer magazine and firearms accessories patents litigated in U.S. district courts, including the Northern District of Indiana.

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Strategic implications

What this case signals for the polymer magazine and firearms accessories IP landscape

Magpul’s consent judgment sets a concrete royalty rate and enforcement benchmark for polymer ammunition magazine patents.

The $3.50/unit royalty rate is now a discoverable licensing benchmark

Courts and litigants in future polymer magazine patent disputes can reference this consent judgment as evidence of a reasonable royalty. Competitors should factor this rate into product cost models when assessing whether to design around or license Magpul’s patents, as it now forms part of the comparable licenses landscape under Georgia-Pacific analysis.

No-challenge clauses in consent judgments have broad successor liability

The validity non-challenge clause binds ETS’s successors and assigns, meaning any acquirer of ETS inherits the prohibition. M&A due diligence for firearms accessories companies should flag this judgment — an acquisition of ETS would include this constraint on future patent challenge strategies against Magpul’s portfolio.

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Unlock full claim analysis and competitive risk mapping for the polymer magazine sector in the Northern District of Indiana.
Claim-level design-around mapRoyalty rate benchmarkingETS successor liability risk
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Frequently asked questions

Magpul v Elite — key questions answered

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