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ArcherDX v. Qiagen: Jury Verdict for Plaintiffs on Amplicon Sequencing Patents | PatSnap
Patent Litigation

ArcherDX & MGH v. Qiagen: Plaintiff Verdict on NGS Library Prep Patents After 1,855-Day Trial

ArcherDX, LLC and The General Hospital Corporation sued Qiagen Sciences and related entities in the Delaware District Court, asserting two U.S. patents covering amplicon-based next-generation sequencing library preparation against Qiagen's QIAact and QIAseq product lines. A unanimous jury found direct, induced, and contributory infringement — and rejected all invalidity defenses — awarding plaintiffs $1,593,762 in total damages.

Resolution time
1855days
Days from filing to final judgment — over five years of active litigation
Patents asserted
2
US10,017,810 and US10,450,597 — amplicon-based NGS library prep methods; two patents asserted
Outcome
Judgment on the merits for Plaintiff
Jury verdict for plaintiffs on direct, induced, and contributory infringement; invalidity defenses rejected
Cost ruling
See Record
No cost or fee award disclosed in the available record
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

Qiagen's QIAact and QIAseq Kits Found to Infringe ArcherDX–MGH NGS Patents

On July 10, 2018, ArcherDX, LLC and The General Hospital Corporation (MGH) filed suit in the District of Delaware against Qiagen Sciences, LLC and a network of related Qiagen entities, alleging infringement of U.S. Patent No. 10,017,810 and U.S. Patent No. 10,450,597. Both patents relate to amplicon-based next-generation sequencing library preparation methods. The accused products were Qiagen's QIAact Kits and QIAseq Kits — commercial NGS library preparation products used in clinical and research oncology workflows.

After a jury trial, a unanimous verdict was rendered on August 27, 2021, finding Qiagen directly infringed claims 16, 17, and 19 of the '810 Patent and claims 1, 5, and 19 of the '597 Patent, and also finding induced and contributory infringement of those same claims. The jury rejected Qiagen's invalidity defenses — including obviousness, lack of written description, and indefiniteness for the '810 Patent, and anticipation, lack of written description, and indefiniteness for the '597 Patent. Final judgment was entered by Judge Maryellen Noreika on August 8, 2023, awarding $841,756 for RNA-related accused products and $752,006 for other accused products, totalling $1,593,762.

The gap between the jury verdict (August 2021) and entry of final judgment (August 2023) — nearly two years — suggests substantial post-trial motion practice, though the specific nature and resolution of any such motions is not detailed in the available record. The case ran for 1,855 days in total. What drove the parties to trial rather than settlement, and whether any post-judgment relief or appeal is contemplated, is not disclosed in the available record.

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Case at a glance
PlaintiffArcherDX, LLC
CourtDelaware District Court
JudgeMaryellen Noreika
FiledJuly 10, 2018
ClosedAugust 8, 2023
Duration1855 days
OutcomeJudgment on the merits for Plaintiff
Verdict causeInfringement Action
BasisJudgment on the merits for Plaintiff
Prior Art Intelligence
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Case timeline

Filing to Judgment on the merits for Plaintiff in 1855 days

Days from filing to final judgment — over five years of active litigation

Case timeline: Complaint filed JUL 10 2018 — 1855 days total Horizontal timeline showing the three key events in ArcherDX, LLC v Qiagen Sciences, LLC from filing to resolution. Source: PACER, Delaware District Court. JUL 10 2018 Complaint filed Pre-trial proceedings AUG 8 2023 Judgment on the merits for Plaintiff 1855 DAYS TOTAL
Patent at issue

US10,017,810 & US10,450,597 — Amplicon-Based NGS Library Preparation Methods

Publication No.US20050142544A1
Application No.US10/450597
Patent details
ProductAmplicon-based NGS library preparation compositions and methods
Cited in actionJuly 10, 2018

Publication No.US20020089173A1
Application No.US10/017810
Patent details
ProductAmplicon-based NGS library preparation formulations and methods of use
Cited in actionJuly 10, 2018
Technical brief · sourced from PatSnap patent database
Representative claim (1 of 1 independent)
1. A method of considering DNA based links between two or more situations, the method including: obtaining a plurality of test results, each test result relating to a situation, each test result including information on the DNA from that situation, the plurality of test results providing a group of test results; selecting a plurality of test results from the group of test results, the plurality of results forming a combination of test results; considering a genotype as possibly giving rise to each of the test results of the combination, evaluating the support for that genotype giving rise to all of the test resul…
Technical background
This invention concerns improvements in and relating to considerations, evaluations and investigations, particularly but not exclusively in relation to highlighting genotypes of interest, and to searching, particularly but not exclusively in relation to searching of databases of genotypes. Substantial numbers of DNA test results exist from various scenes, samples taken from scenes and replicates of samples. These relate to both solved and unsolved incidents. It is desirable to be able to obtain as much information…
Patent family
7 family members across 5 jurisdictions (US, WO, EP, AU, GB)
PatSnap Eureka · FTO Search Agent
Should you run an FTO against US10,017,810 and US10,450,597?

Any company developing, manufacturing, or distributing amplicon-based NGS library preparation kits for the U.S. market — particularly oncology panel or liquid biopsy applications — should treat these two patents as live FTO risks. The jury's verdict confirms claim validity across multiple grounds and upheld infringement under direct, induced, and contributory theories, meaning both end-use and supply-chain positions can be exposed. QIAact and QIAseq were the accused products here, but the asserted claims may read more broadly.

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Official verdict

Official order — verbatim text

This 8th day of August 2023, the Court having held a jury trial and the jury having rendered a unanimous verdict on August 27, 2021 (see D.I. 465), pursuant to Federal Rule of Civil Procedure 58, IT IS HEREBY ORDERED that: 1. Judgment is entered in favor of Plaintiffs ArcherDX, LLC and The General Hospital Corporation (collectively, “Plaintiffs”) that Defendants Qiagen Sciences, LLC, Qiagen LLC, Qiagen Beverly, LLC, Qiagen Gaithersburg, LLC, Qiagen GmbH, and Qiagen N.V. (collectively, “Defendants”) directly infringed claims 16, 17, and 19 of U.S. Patent No. Case 1:18-cv-01019-MN Document 551 Filed 08/08/23 Page 1 of 5 PageID #: 24478 2 10,017,810 (the “’810 Patent”)1 and claims 1, 5, and 19 of U.S. Patent No. 10,450,597 (the “’597 Patent”)2 (collectively, the “Asserted Claims”). 2. Judgment is entered in favor of Plaintiffs that Defendants induced infringement of the Asserted Claims. 3. Judgment is entered in favor of Plaintiffs that Defendants contributed to infringement of the Asserted Claims. 4. Judgment is entered in favor of Plaintiffs that Defendants have not shown invalidity for obviousness, lack of written description, or indefiniteness of the Asserted Claims of the ’810 Patent, nor have Defendants shown invalidity for anticipation, lack of written description, or indefiniteness of the Asserted Claims of the ’597 Patent. 5. Judgment is entered in favor of Plaintiffs and against Defendants for damages in the amount of $841,756.00 caused by Defendants’ sale of RNA-related accused products to customers within the United States and in the amount of $752,006.00 caused by Defendants’ sale of other accused products to customers within the United States.
Source: PACER Docket, Case 1:18-cv-01019, Delaware District Court

The August 8, 2023 judgment adopts the jury's August 2021 unanimous verdict in full, entering findings on direct, induced, and contributory infringement of specific claims of both the '810 and '597 Patents, and recording that Qiagen failed to establish invalidity on any ground raised. The itemised damages — $841,756 for RNA-related products and $752,006 for other products — indicate the jury distinguished between the two accused product categories. The nearly two-year interval between jury verdict and final judgment entry is notable and suggests post-trial proceedings of unspecified nature occurred before the court entered judgment under Rule 58.

PACER case 1:18-cv-01019 · Public docket record Explore in Eureka ↗
Court ruling

Plaintiff verdict: what the jury's findings mean for both parties

Legal mechanism

Unanimous jury found direct, induced, and contributory infringement

The jury returned findings on all three infringement theories — direct infringement by Qiagen entities, inducement of third-party infringement, and contributory infringement. It also rejected every invalidity defense Qiagen raised. Judge Noreika entered final judgment under Fed. R. Civ. P. 58 on August 8, 2023, making the verdict enforceable. The Basis of Termination is recorded as judgment on the merits for the plaintiff.

Full merits judgment
Patent holder outcome

ArcherDX and MGH secure $1.59M damages across both product lines

Plaintiffs received $841,756 for Qiagen's RNA-related accused products and $752,006 for other accused products — a combined $1,593,762 in damages. Critically, the jury's rejection of all invalidity challenges reinforces the enforceability of the '810 and '597 Patents going forward. These patents remain viable as enforcement assets against other market participants offering competing amplicon-based NGS library prep products.

$1,593,762 total damages awarded
Defendant outcome

Qiagen faces damages liability and strengthened patent bar for QIAact/QIAseq

Qiagen's full suite of invalidity arguments — obviousness, written description, indefiniteness, and anticipation — were rejected by the jury, leaving the asserted patent claims intact. The judgment exposes the Qiagen group entities named to the full damages award. Whether Qiagen has pursued or intends to pursue post-trial motions or an appeal is not disclosed in the available record.

All invalidity defenses rejected
Commercial implications

Validated patents raise the IP risk bar across the NGS library prep market

The jury's comprehensive verdict — covering direct, induced, and contributory infringement across two patents — signals meaningful enforceability of amplicon-based NGS library prep IP. Competitors or kit manufacturers operating in this space who use similar amplicon-based approaches should treat the '810 and '597 Patents as active enforcement risks. The damages award, while relatively modest, reflects actual commercial sales volumes and does not cap future exposure if infringement continues.

Broad infringement theories upheld
Legal analysis based on PACER docket records for case 1:18-cv-01019 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffArcherDX, LLCCompany/Search in Eureka ↗
Co-PlaintiffThe General Hospital CorporationCompanySearch in Eureka ↗
DefendantQiagen Sciences, LLCCompany/Search in Eureka ↗
Co-DefendantQiagen, GmbHCompanySearch in Eureka ↗
Co-DefendantQiagen Gaithersburg, Inc.CompanySearch in Eureka ↗
Co-DefendantQiagen, LLCCompanySearch in Eureka ↗
Co-DefendantQiagen Beverly, Inc.CompanySearch in Eureka ↗
Co-DefendantQiagen, NVCompanySearch in Eureka ↗
Co-DefendantJonathan ArnoldIndividualSearch in Eureka ↗
Co-DefendantQiagen Beverly, LLCCompanySearch in Eureka ↗
Co-DefendantQiagen Gaithersburg, LLCCompanySearch in Eureka ↗
Plaintiff counselAlexander T. HornatAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselAlexandra M. JoyceAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselAndrej BarbicAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselBrian V. SlaterAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselChristine WillgoosAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselChristopher J. DeckAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselDaniel M. SilverAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselEdward R. ReinesAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselEric J. RuttAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselGregory B. SephtonAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselHarold P. WeinbergerAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselJeff CastellanoAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselJohn P. DillonAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselJohn W. ShawAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselKeith E. TomsAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselKimberly A. MottleyAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselLeigh J. MartinsonAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselMichael A. AlbertAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselNathan Roger HoeschenAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselQuincy L. KaytonAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselSteven M. BauerAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselTara R. MelilloAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselThomas F. FoleyAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff counselWyley S. ProctorAttorneyCounsel for ArcherDX, LLCSearch in Eureka ↗
Plaintiff law firmDLA Piper, LLP (US)Law FirmRepresenting ArcherDX, LLCSearch in Eureka ↗
Plaintiff law firmMcCarter & English, LLPLaw FirmRepresenting ArcherDX, LLCSearch in Eureka ↗
Plaintiff law firmShaw Keller LLPLaw FirmRepresenting ArcherDX, LLCSearch in Eureka ↗
Defendant counselAnastasia M. FernandsAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselAnne S. TokerAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselBindu Ann George PalapuraAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselBrian C. CannonAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselDavid Ellis MooreAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselDavid L. BilskerAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselJames E. BakerAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselJeffrey C. WuAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant counselStephanie E. O'ByrneAttorneyCounsel for Qiagen Sciences, LLCSearch in Eureka ↗
Defendant law firmDLA Piper LLP (US)Law FirmRepresenting Qiagen Sciences, LLCSearch in Eureka ↗
Defendant law firmPotter Anderson & Corroon, LLPLaw FirmRepresenting Qiagen Sciences, LLCSearch in Eureka ↗
Presiding judgeJudge Maryellen NoreikaJudgeDelaware District CourtSearch in Eureka ↗
R&D signals

R&D signals in the amplicon-based NGS library prep space

This verdict spotlights key innovation and filing activity around ArcherDX, MGH, and Qiagen in the amplicon sequencing and liquid biopsy diagnostics domain.

Patent portfolio

ArcherDX and MGH's broader amplicon sequencing patent estate

The '810 and '597 Patents are two validated nodes in what may be a broader filing programme by ArcherDX and The General Hospital Corporation in amplicon-based NGS and liquid biopsy. Mapping their full portfolio — including continuations, divisionals, and co-assigned filings — can reveal the perimeter of their IP position across clinical sequencing workflows.

Portfolio mapping signal
Technology landscape

Filing trends in amplicon-based NGS library prep methods

Amplicon-based NGS library preparation is an active innovation area, with filings spanning primer design, adapter ligation, target enrichment, and error-correction methods. Tracking publication trends in this space can reveal whether the technology is consolidating around a few dominant assignees or whether white space remains for new entrants developing differentiated approaches.

Filing trend watch
Competitor IP posture

Qiagen's own patent position in NGS reagents and kits

Despite losing this action, Qiagen maintains a substantial patent portfolio in molecular biology reagents, nucleic acid isolation, and NGS sample preparation. Understanding Qiagen's own offensive IP position — including any filings that post-date the asserted patents — provides context for how the competitive landscape may evolve and whether cross-licensing dynamics are in play.

Competitor portfolio review
White space

Adjacent innovation opportunities near the asserted claim scope

The specific claims litigated — covering amplicon-based library preparation steps — leave potential white space in adjacent approaches such as ligation-based or hybrid-capture library prep methods. R&D teams seeking to develop NGS library prep products outside the validated claim scope of the '810 and '597 Patents should explore these alternative technical pathways and assess their own freedom to operate.

Design-around opportunity
Related litigation

Similar NGS library prep patent infringement cases in U.S. district courts

Explore related patent infringement actions in the next-generation sequencing and molecular diagnostics space before Delaware and other U.S. district courts.

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Access 40+ similar cases in PatSnap Eureka
ArcherDX, LLC patent enforcement history, Delaware District Court case history, ArcherDX, LLC's full IP portfolio, and comparable case analysis
Comparable NGS patent verdictsQiagen prior litigation historyArcherDX enforcement actionsLiquid biopsy patent disputes
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Strategic implications

What this verdict signals for the NGS library prep IP landscape

A clean plaintiff sweep — infringement on all theories, invalidity defeated — reshapes the competitive IP risk profile in amplicon-based NGS.

Both patents survived every invalidity challenge — enforcement credibility is high

Qiagen contested the '810 and '597 Patents on obviousness, written description, indefiniteness, and anticipation. All were rejected. For any party operating in amplicon-based NGS library prep, these patents now carry a strengthened presumption of validity reinforced by a jury verdict, making design-around or IPR strategies the more likely defensive routes.

Three-theory infringement finding expands exposure for NGS kit suppliers

The jury's findings on direct, induced, and contributory infringement collectively signal that the patents cover not only direct use of the claimed methods but also the commercial supply of kits that enable or contribute to that use. NGS kit manufacturers and distributors active in the U.S. market should assess whether their products fall within the asserted claim scope of the '810 and '597 Patents.

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Frequently asked questions

ArcherDX v Qiagen — key questions answered

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Track NGS library prep patent risk before it reaches your product pipeline

Use PatSnap Eureka to map the validated claim scope of US10,017,810 and US10,450,597, monitor ArcherDX and MGH's continuing filing activity, and run targeted FTO searches for your amplicon-based NGS products.

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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.

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