Book a demo

Cut patent&paper research from weeks to hours with PatSnap Eureka AI!

Try now
Illumina v. Ravgen (23-1717) — Genetic Disorder Detection Patent Appeal | PatSnap
Patent Litigation

Illumina v. Ravgen (Fed. Cir. 23-1717): Appeal Closed in 17 Days

Illumina, Inc. brought an appellate challenge against Ravgen, Inc. at the U.S. Court of Appeals for the Federal Circuit over US7727720B2, a patent covering methods for the detection of genetic disorders. The appeal was filed and closed within a notably compressed 17-day window, with no verdict text in the available public record.

Resolution time
17days
17 days — an unusually short Federal Circuit appeal window, suggesting early procedural resolution
Patents asserted
1
US7727720B2 — methods for detection of genetic disorders; non-invasive prenatal diagnostics domain
Outcome
closed
No Basis of Termination or verdict text recorded in the available public record
Cost ruling
Not Recorded
No costs or fee ruling reflected in the available public record
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

Illumina challenges Ravgen's prenatal diagnostics patent at Federal Circuit

On April 7, 2023, Illumina, Inc. filed an appeal at the U.S. Court of Appeals for the Federal Circuit (Case No. 23-1717) against Ravgen, Inc., the assignee of US7727720B2. The patent covers methods for the detection of genetic disorders — a technology domain central to non-invasive prenatal testing (NIPT) and liquid biopsy diagnostics. Illumina was represented by Naveen Modi of Paul Hastings, LLP; Ravgen was represented by Gabrielle E. Higgins.

The case closed on April 24, 2023 — just 17 days after filing. No Basis of Termination and no verdict text are recorded in the available public record. The specific circumstances and terms under which the appeal concluded are not disclosed in the available record.

A 17-day lifespan at the Federal Circuit is notably compressed relative to typical appellate timelines, which suggests early procedural resolution — though the precise mechanism is not determinable from the public record. What drove the rapid closure, and whether any agreement between the parties played a role, remains unknown from the available record.

See Complete Case & Patent Analysis →
Case at a glance
Case no.23-1717
DefendantRavgen, Inc.
CourtCourt of Appeals for the Federal Circuit
JudgeN/A
FiledApril 7, 2023
ClosedApril 24, 2023
Duration17 days
Outcomeclosed
Verdict causeInfringement Action
Basis
Prior Art Intelligence
See what prior art exists on this patent.
Eureka scans millions of patents and papers to surface prior art that may have invalidated these claims before costly litigation begins.
Check Prior Art
Case data sourced from PACER / Court of Appeals for the Federal Circuit via PatSnap Eureka Litigation Intelligence Explore similar cases ↗
Case timeline

Filing to closed in 17 days

17 days — an unusually short Federal Circuit appeal window, suggesting early procedural resolution

Case timeline: Appeal filed APR 7 2023 — 17 days total Horizontal timeline showing the three key events in ILLUMINA, INC. v Ravgen, Inc. from filing to resolution. Source: PACER, Court of Appeals for the Federal Circuit. APR 7 2023 Appeal filed Pre-trial proceedings APR 24 2023 closed 17 DAYS TOTAL
Patent at issue

US7727720B2 — Methods for detection of genetic disorders

Publication No.US7727720B2
Application No.US11/212812
Patent details
ProductMethods for non-invasive detection of fetal genetic disorders from maternal samples
Cited in actionApril 7, 2023
Technical brief · sourced from PatSnap patent database
US7727720B2Primary patent
Patent figurePatent figure
Technology summary
The method allows for a rapid and specific detection of chromosomal abnormalities in fetuses by analyzing allele sequences and ratios in fetal DNA from a pregnant female's sample, addressing the limitations of existing prenatal diagnosis techniques.
Representative claim (1 of 1 independent)
1. A method for detecting a free nucleic acid, wherein said method comprises: (a) isolating free nucleic acid from a non-cellular fraction of a sample, wherein said sample comprises an agent that impedes cell lysis, if cells are present, and wherein said agent is selected from the group consisting of membrane stabilizer, cross-linker, and cell lysis inhibitor; and (b) detecting the presence or absence of the free nucleic acid.
Technical background
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Application No. PCT/US2004/006337, filed Mar. 1, 2004, which is a continuation-in-part of International Application No. PCT/US03/06198, filed Feb. 28, 2003, which claims the priority benefit of U.S. Provisional Application Ser. No. 60/378,354, filed May 8, 2002, the contents of each of which are hereby incorporated by reference herein in their entirety. The contents of each of the following applications are also hereby incor…
Patent family
2 family members across 1 jurisdiction (US)
PatSnap Eureka · FTO Search Agent
Should you run an FTO against US7727720B2?

Any company developing, manufacturing, or commercialising non-invasive prenatal testing products, cell-free DNA analysis platforms, or genetic disorder screening assays should treat US7727720B2 as a priority FTO target. Ravgen has demonstrated a pattern of active enforcement against major diagnostics and genomics companies, and the method claims of this patent are broad enough to capture a range of sample preparation, amplification, and analysis workflows.

Run FTO in Eureka
Patent data sourced from USPTO via PatSnap Eureka patent database Search patent records in Eureka ↗
Official verdict

Official order — verbatim text

Source: PACER Docket, Case 23-1717, Court of Appeals for the Federal Circuit

No verdict text is recorded in the available public record for Case No. 23-1717. The absence of a disposition entry, combined with the 17-day case duration, suggests the appeal was resolved or terminated at an early procedural stage, though the specific mechanism is not determinable from the available record.

PACER case 23-1717 · Public docket record Explore in Eureka ↗

Legal analysis based on PACER docket records for case 23-1717 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffILLUMINA, INC.Company/Search in Eureka ↗
DefendantRavgen, Inc.Company/Search in Eureka ↗
Plaintiff counselNaveen ModiAttorneyCounsel for ILLUMINA, INC.Search in Eureka ↗
Plaintiff law firmPaul Hastings, LLPLaw FirmRepresenting ILLUMINA, INC.Search in Eureka ↗
Defendant counselGabrielle E. HigginsAttorneyCounsel for Ravgen, Inc.Search in Eureka ↗
Presiding judgeJudge N/AJudgeCourt of Appeals for the Federal CircuitSearch in Eureka ↗
R&D signals

R&D signals in the genetic disorder detection IP space

Forward-looking patent intelligence derived from Illumina v. Ravgen — surfacing portfolio trends, filing activity, and white-space opportunities in cfDNA and NIPT diagnostics.

Patent portfolio

Ravgen's cfDNA patent portfolio: scope and enforcement activity

US7727720B2 is part of a broader Ravgen portfolio covering non-invasive prenatal and genetic disorder detection methods. Understanding the full family scope — related applications, continuation filings, and international equivalents — is essential for any NIPT or cfDNA diagnostics company assessing IP risk exposure.

Ravgen patent family
Technology landscape

Filing trends in non-invasive prenatal genetic analysis

Patent filing activity in NIPT, cfDNA sequencing, and chromosomal abnormality detection has accelerated across major genomics players including Illumina, Roche, and sequencing startups. Mapping the density and direction of filings in this space reveals competitive white space and potential conflict zones with Ravgen's asserted claims.

NIPT filing trends
Competitor IP posture

Illumina's IP strategy in genetic diagnostics and sequencing

As the appellant in this Federal Circuit proceeding, Illumina's engagement with Ravgen's patent signals active portfolio management in the diagnostics space. Illumina holds a substantial IP estate in sequencing-by-synthesis and liquid biopsy applications — understanding how this portfolio intersects with NIPT method claims is valuable for competitors and partners alike.

Illumina IP strategy
White space

Adjacent R&D opportunities beyond Ravgen's claimed methods

Ravgen's claims focus on specific method steps for detecting genetic disorders from cell-free nucleic acids. White-space opportunity may exist in alternative detection modalities — including epigenetic profiling, methylation-based fetal fraction estimation, or long-read sequencing approaches — that may fall outside the literal scope of the asserted claims.

cfDNA white space
Related litigation

Similar Federal Circuit appeals in genetic diagnostics patent disputes

Explore related Federal Circuit appeals and district court actions involving cell-free DNA, non-invasive prenatal testing patents, and genetic disorder detection method claims.

🔍
Access 40+ similar cases in PatSnap Eureka
ILLUMINA, INC. patent enforcement history, Court of Appeals for the Federal Circuit case history, ILLUMINA, INC.'s full IP portfolio, and comparable case analysis
Ravgen v. Ariosa DiagnosticsRavgen v. Laboratory Corp.NIPT patent validity challengescfDNA method claim appeals
Unlock similar cases in Eureka →
Strategic implications

What this case signals for the NIPT and genetic diagnostics IP landscape

Ravgen's US7727720B2 sits at the intersection of genomic sequencing and prenatal diagnostics — a high-stakes IP battleground with multiple active challengers.

US7727720B2 has attracted repeated appellate scrutiny — monitor its enforceability status

Illumina's Federal Circuit appeal, resolved in just 17 days, is consistent with ongoing industry pressure on Ravgen's foundational genetic disorder detection patents. Companies operating in NIPT, liquid biopsy, or cell-free DNA analysis should actively track the validity and enforceability status of this patent family.

Rapid appellate closure warrants attention to parallel proceedings and portfolio overlap

A 17-day Federal Circuit closure without a recorded disposition suggests the matter may have been resolved through procedural mechanisms not fully reflected in the public docket. IP teams should check for related IPR proceedings, district court actions, or licensing activity involving US7727720B2 and related Ravgen patents.

🔒
Full strategic analysis in PatSnap Eureka
Unlock deeper analysis on Ravgen's patent enforcement strategy and Illumina's Federal Circuit appellate posture in the NIPT sector.
Ravgen portfolio risk mapcfDNA FTO exposureNIPT licensing dynamics
Unlock full analysis →
Analysis powered by PatSnap Eureka Litigation Intelligence Explore in Eureka ↗
Frequently asked questions

ILLUMINA v Ravgen — key questions answered

Still have questions? PatSnap Eureka can answer them instantly from patent and litigation data. Ask Eureka ↗
PatSnap Eureka

Track US7727720B2 and the Ravgen NIPT patent estate in real time

Run a structured FTO analysis against US7727720B2 and map claim overlap with your genetic diagnostics pipeline. PatSnap Eureka surfaces enforcement risk, related family members, and white-space opportunities across the cfDNA and NIPT patent landscape.

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.

Ask anything about this case.
PatSnap Eureka searches patents and litigation data to answer instantly.
Powered by PatSnap Eureka
Link copied to clipboard

Related Litigation Cases

Help us improve this page

Found incorrect or outdated information? Let us know and we'll get it fixed.