Nyxoah, Inc. et al. vs. Inspire Medical Systems, Inc.

Explore the PTAB proceeding IPR2026-00091 filed by Nyxoah, Inc. et al. on 2025-12-18. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00091

Filing Date

2025-12-18

Accorded Filing Date

2025-12-18

Institution Decision Date

2026-04-14

Last Modified Date

2026-05-19

Proceeding Type

IPR

Termination Date

2026-04-14

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Nyxoah, Inc. et al.

Represented By

Gunther, Jarradet al

Patent Owner / Respondent

Inspire Medical Systems, Inc.

Represented By

BIANCHI, TIMOTHYet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3700 - Mechanical Engineering & Manufacturing

Patent Information

1 Patent Involved

Respondent Application Number 17012481

Respondent Patent Number 11806526

External Links

Espacenet

Google Patents

Respondent Inventor Darrell Wagner et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

16 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name DICKE, BILLIG & CZAJA

Customer Number 25281

Address 100 SOUTH FIFTH STREET, SUITE 2250, FIFTH STREET TOWERS, MINNEAPOLIS, MN, 55402, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
33235	Peter Forrest	612-573-2000
37143	Paul Grunzweig	612-573-2000
37258	John Weyrauch	612-767-2511
38080	Patrick Billig	612-573-2003
38431	Steven Dicke	612-573-2002
39649	Timothy Czaja	612-573-2004
39727	Paul Kempf	612-767-2502
40160	Daniel Schulte	651-275-9806
40697	Thomas Leffert	612-767-2519
41166	Scott Lund	612-573-2006
42315	Erik Berger	919-434-9272
45070	Robin Sannes	612-767-2512
45130	Richard Stempkovski Jr	612-767-2522
50485	Mark Peterson	--
68976	Gregg Kromrey	612-573-0445
72266	Abigail Lorfing	651-259-2315

Proceeding Documents

Notice of Refund NOTICE

2026-05-19 FILING PARTY: BOARD

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Petitioners' Request for Refund of Post-Institution Fee OTHER

2026-05-08 FILING PARTY: PETITIONER

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Director Discretionary Decision: Deny RESPONSE

2026-04-14 FILING PARTY: BOARD

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Pet's Opposition to Discretionary Denial Brief RESPONSE

2026-03-31 FILING PARTY: PETITIONER

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1048

EX-1048 061 So Ordered _60_ Joint Stip. to Extend Deadlines Exhibit

2026-03-31 FILING PARTY: PETITIONER

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Nyxoah, Inc. et al. vs. Inspire Medical Systems, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Nyxoah, Inc. et al.

Represented By

Patent Owner / Respondent

Inspire Medical Systems, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice of Refund NOTICE

Petitioners' Request for Refund of Post-Institution Fee OTHER

Director Discretionary Decision: Deny RESPONSE

Pet's Opposition to Discretionary Denial Brief RESPONSE

EX-1048 061 So Ordered _60_ Joint Stip. to Extend Deadlines Exhibit

EX-1049 73 ORDER Re _72_ Amended Scheduling Order Exhibit

EX-1045 U.S. Patent Application Publication No. 20060167523 Exhibit

EX-1047 052 SO ORDERED Stipulation and Order to Stay Certain Deadlines Exhibit

Patent Owners Preliminary Response POPR

EX-1046 011 Defendant's Motion to Disqualify Plaintiff's Counsel Exhibit

EX-1050 2026.03.19 Text Only Reassigned Judge to John Campbell Barker Exhibit

Complaint, Inspire Medical Systems, Inc. v. Nyxoah, Inc. et al., Case No. 1:25-cv-00667-RGA (D. Del.) Exhibit

Answer, Inspire Medical Systems, Inc. v. Nyxoah, Inc. et al., Case No. 1:25-cv-00667-RGA (D. Del.) Exhibit

Patent Owners Request For Discretionary Denial RESPONSE

Letter to The Honorable Richard G. Andrews regarding proposed revised case schedules (D.I. 70) Exhibit

Order Lifting Stay, entered March 2, 2026 (D.I. 71) Exhibit

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

EX-1018 Richmond et al., “Tactical Application of Sensorimotor Prosthetic Exhibit

EX-1011 U.S. Patent No. 5,944,680 (“Christopherson”) Exhibit

EX-1010 Tran et al., “First Subject Evaluated with Simulated BION Exhibit

EX-1042 Brennick et al., “MRI study of pharyngeal airway changes during Exhibit

EX-1038 Eastwood et al., “Treating Obstructive Sleep Apnea with Hypoglossal Exhibit

EX-1005 International Patent Application Publication No. WO 2016/149344 Exhibit

EX-1007 U.S. Patent Application Publication No. 2015/0094962 (“Hoegh”) Exhibit

EX-1030 Schwartz et al., “Therapeutic Electrical Stimulation Exhibit

EX-1037 Meadows et al., “Effective of Targeted Activation of Tongue Muscles Exhibit

EX-1004 Declaration of Petitioners’ Expert Dr. Ingrid Hsieh-Yee Exhibit

EX-1029 Fairbanks et al., “Neurostimulation for Obstructive Sleep Apnea,” Exhibit

Notice: Power of Attorney NOTICE

EX-1043 Oliven et al., “Upper airway response to electrical stimulation of Exhibit

EX-1021 Decker et al., “Functional Electrical Stimulation and Respiration Exhibit

EX-1013 Mortimer, “Electrical Excitation of Nerve,” Neural Prostheses – Exhibit

EX-1033 Tongue Anatomy and Physiology Exhibit

EX-1015 Glenn et al., “Electrical Stimulation of Excitable Tissue by Radio Exhibit

EX-1035 Agnew et al., “Considerations for Safety with Chronically Implanted Exhibit

EX-1026 Goding et al., “Relief of Upper Airway Obstruction With Hypoglossal Exhibit

EX-1002 '526 File History Exhibit

EX-1032 Mwenge et al., “Targeted Hypoglossal Neurostimulation for Exhibit

EX-1020 Miki et al., “Effects of Submental Electrical Stimulation During Exhibit

EX-1022 Eisele et al., “Direct Hypoglossal Nerve Stimulation,” Arch. Exhibit

EX-1016 Judson et al., “Radio-Frequency Electrophrenic Respiration Exhibit

EX-1014 Anagnostopoulos, et al., “Electronic Pacemakers of the Heart Exhibit

EX-1028 Yoo et al., “Selective Stimulation of the Hypoglossal Nerve Exhibit

EX-1040 Kaplan et al., “Preventing ischial pressure ulcers Exhibit

EX-1025 Schwartz et al., “Electrical Stimulation of the Lingual Musculature Exhibit

EX-1031 Oliven, “Treating Obstructive Sleep Apnea with Hypoglossal Nerve Exhibit

EX-1019 Edmonds, et al., “The Effects of Transcutaneous Electrical Stimulat Exhibit

EX-1027 U.S. Patent No. 4,830,008 (“Meer”) Exhibit

Petition: as filed PETITION

EX-1034 Steier et al., “Continuous Transcutaneous Submental Electrical Exhibit

EX-1041 Bailey et al., “Anatomic consequences of intrinsic tongue muscle Exhibit

EX-1009 Tran et al., “Development of Asynchronous, Intralingual Electrical Exhibit

EX-1003 Expert Declaration Exhibit

EX-1024 U.S. Patent No. 6,572,543 (“Christopherson ’543”) Exhibit

EX-1023 Fuller et al., “Effect of Co-Activation of Tongue Protrudor and Exhibit

EX-1036 U.S. Patent No. 7,277,749 (“Gordon”) Exhibit

EX-1017 Singh, et al., “Recruitment Properties of Intramuscular and Nerve Exhibit

EX-1001 U.S. Patent No. 11,806,526 (the “’526 Patent”) Exhibit

EX-1044 Oliven et al., “Effect of coactivation of tongue protrusor Exhibit

EX-1008 International Patent Application Publication No. WO 2010/006218 Exhibit

EX-1012 U.S. Patent Application Publication No. 2014/0228905 (“Bolea”) Exhibit

EX-1039 Sinha et al., “Safety of Microstimulator During Radiation Therapy Exhibit

EX-1006 U.S. Patent Application Publication No. 2006/0224211 (“Durand”) Exhibit