Sonova USA Inc. et al. vs. Starkey Laboratories, Inc.

Explore the PTAB proceeding PGR2026-00076 filed by Sonova USA Inc. et al. on 2026-09-21. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2026-00076

Filing Date

2026-09-21

Accorded Filing Date

2026-09-21

Institution Decision Date

—

Last Modified Date

2026-10-13

Proceeding Type

PGR

Termination Date

—

Trial Status

Pending

Parties & Counsel

Petitioner

Sonova USA Inc. et al.

Represented By

Sernel, Marcuset al

Patent Owner / Respondent

Starkey Laboratories, Inc.

Represented By

Campbell, Thomaset al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 19303720

Respondent Patent Number 12739553

External Links

Espacenet

Google Patents

Respondent Inventor Erik Carlson et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

24 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MRG/HD - Starkey - c/o Mueting Raasch Group

Customer Number 142537

Address 111 Washington Ave. S., Suite 700, Minneapolis, MN, 55401, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
33977	Ann Mueting	612-305-1217
35651	Kevin Raasch	612-305-1218
43022	David Provence	612-305-1005
43261	Brian Whipps	612-305-1873
43459	Matthew Adams	612-305-1220
43643	Christopher Gram	612-305-0412
45002	Robert Pechman	952-402-2987
46597	Keith Campbell	612-305-0403
47266	Nancy Johnson	612-305-4723
48640	Paul Weaver	651-275-9836
48649	Jeffrey Cook	952-947-4743
52131	Jay Pralle	612-305-0083
54358	Paul Parins	612-767-2457
58663	Karen Ohlfest	503-641-8103
63560	Matthew Goeden	612-305-1219
65428	Rebecca Davis	612-767-5013
66654	Rakhi Nikhanj	612-767-5007
66979	Lotta Kiuru-Ribar	612-767-5005
75243	Christopher Hubert	612-767-5000
78538	Jorden Johnson	612-512-0046
79901	Lucas Estrem	612-767-2455
79969	Alyssa Prindiville	612-305-1220
81497	Alina Kalb	612-767-5010
83053	Yujie Cheng	612-305-9176

Proceeding Documents

Notice: Mandatory Notice NOTICE

2026-10-12 FILING PARTY: PATENT OWNER

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Notice: Power of Attorney NOTICE

2026-10-12 FILING PARTY: PATENT OWNER

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Notice: Notice filing date accorded NOTICE

2026-09-25 FILING PARTY: BOARD

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1022

Ex1022 - U.S. Patent No. 9,559,477B2 (“Liu”) Exhibit

2026-09-21 FILING PARTY: PETITIONER

Download

1004

Ex1004 - File History of U.S. Patent No. 12,739,553 Exhibit

2026-09-21 FILING PARTY: PETITIONER

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Sonova USA Inc. et al. vs. Starkey Laboratories, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Sonova USA Inc. et al. Follow

Represented By

Patent Owner / Respondent

Starkey Laboratories, Inc. Follow

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: Notice filing date accorded NOTICE

Ex1022 - U.S. Patent No. 9,559,477B2 (“Liu”) Exhibit

Ex1004 - File History of U.S. Patent No. 12,739,553 Exhibit

Ex1012 - U.S. Patent No. 7,726,994B1 (“Willey”) Exhibit

Ex1019 - U.S. Patent No. 3,354,271A (“McDermaid”) Exhibit

Ex1008 - PCT Publication No. WO2017/040094A1 Exhibit

Ex1006 - U.S. Patent App. No. 2009/0202093A1 (“Dannemann”) Exhibit

Ex1014 - U.S. Patent Publication No. US2016/0322744A1 (“Murison”) Exhibit

Ex1007 - U.S. Patent No. 7,905,006B2 (“Kwon”) Exhibit

Ex1018 - File History of U.S. Patent No. 12,101,588B2 Exhibit

Ex1003 - Curriculum Vitae of Dr. Sayfe Kiaei Exhibit

Ex1005 - European Patent Application EP3240300A1 (“Chen”) Exhibit

Notice: Power of Attorney NOTICE

Ex1015 - U.S. Patent No. 8,213,651B2 (“Schmidt”) Exhibit

Ex1020 - U.S. Patent No. 5,253,300A (“Knapp”) Exhibit

Ex1023 - U.S. Patent No. 9,362,766B2 (“Workman”) Exhibit

Ex1011 - U.S. Patent No. 4,317,969A (“Riegler”) Exhibit

Ex1009 - U.S. Patent No. 10,003,880B2 (“Wagman”) Exhibit

Ex1010 - U.S. Patent No. 3,521,216A (“Tolegian”) Exhibit

Ex1001 - U.S. Patent No. 12,739,553 Exhibit

Ex1013 - U.S. Patent No. 5,586,668A (“Miller”) Exhibit

Ex1017 - U.S. Patent No. 12,101,588B2 (the “’588 Patent”) Exhibit

Ex1024 - U.S. Patent No. 7,335,067B2 (“Lee”) Exhibit

Ex1016 - PCT Publication No. WO2016/036309A1 (“Linden”) Exhibit

Ex1002-Expert Declaration of Dr. Sayfe Kiaei Exhibit

Ex1021 - U.S. Patent No. 5,610,494A (“Grosfilley”) Exhibit

Petition for Post Grant Review PETITION

Track Case Updates

Sonova USA Inc. et al.

Starkey Laboratories, Inc.