Atossa Therapeutics, Inc. vs. Jina Pharmaceuticals, Inc.

Explore the PTAB proceeding PGR2026-00015 filed by Atossa Therapeutics, Inc. on 2025-12-10. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2026-00015

Filing Date

2025-12-10

Accorded Filing Date

2025-12-10

Institution Decision Date

—

Last Modified Date

2026-04-27

Proceeding Type

PGR

Termination Date

2026-04-22

Trial Status

Terminated-Settled

Parties & Counsel

Petitioner

Atossa Therapeutics, Inc.

Represented By

Raymond, Meganet al

Patent Owner / Respondent

Jina Pharmaceuticals, Inc.

Represented By

MENCHACA, ALEJANDROet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1600 - Biotechnology & Organic Chemistry

Patent Information

1 Patent Involved

Respondent Application Number 17226671

Respondent Patent Number 12245997

External Links

Espacenet

Google Patents

Respondent Inventor Ateeq AHMAD et al

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

59 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MCANDREWS HELD & MALLOY, LTD

Customer Number 23446

Address 500 WEST MADISON STREET, SUITE 3400, CHICAGO, IL, 60661, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
32223	Priscilla Gallagher	312-775-8000
34389	Alejandro Menchaca	312-775-8000
36059	Thomas Wimbiscus	312-775-8000
36308	Christopher Winslade	312-775-8108
36668	Gregory Schodde	312-775-8000
37179	Edward Mas Ii	312-775-8000
37769	Patrick Arnold Jr	312-775-8000
38547	Peter Mcandrews	312-775-8000
39712	Robert Hoag	312-775-8000
39717	Sharon Hwang	312-775-8000
39916	Wayne Bradley	312-775-8000
40642	David Headrick	312-775-8000
41086	Jeffrey Huter	312-238-8600
42076	Eligio Pimentel	312-775-8000
42853	Scott Mcbride	312-775-8000
43920	Jonathan Sick	312-775-8000
44049	Christopher Carani	312-775-8000
44286	Shawn Peterson	312-775-8000
45976	Sanjay Murthy	312-324-1448
46442	Troy Groetken	312-775-8000
48799	Sandra Frantzen	312-775-8000
50731	Leland Hansen	312-775-8000
51219	James Hafertepe	312-775-8000
52119	David Petty	312-775-8000
52151	Wilhelm Rao	312-775-8000
52245	Ronald Spuhler	312-775-8000
52262	Robert Surrette	312-775-8000
53556	Christopher Scharff	312-775-8000
54253	Deborah Laughton	312-775-8000
56090	Maurie Baker	312-775-8000
58794	Brian Lynch	312-775-8000
59383	Peter Lish	312-775-8000
59918	Philip Sheridan	312-775-8000
61586	Andrew Karp	312-775-8000
62346	Frank Salinas	312-775-8174
62966	Paul Mcandrews	312-775-8000
63568	Chad Pahnke	312-775-8000
64264	Michael Tomsa	312-775-8081
64557	Jason Barron	312-775-8207
65259	Jonathan Ko	630-624-6050
66006	Kathleen Meyer	312-775-8167
66980	Michael Carrozza	312-775-8000
67152	Matthew Rudd	312-775-8000
68431	Matthew Marrone	312-775-8000
68455	Malaika Tyson	312-775-8075
68885	Ryan Pianetto	312-775-8000
69528	Rami Moussa	312-775-8000
69845	Stephanie Samz	312-775-8000
74852	Michael Weil	847-828-0704
76482	Sean Sparrow	847-668-7873
77178	Sarine Hagopian	847-940-8509
77549	Amanda Jackson	312-775-8141
77688	Samuel Howard	312-775-8266
78178	Ben Mahon	510-506-2970
78361	Philipp Ruben	312-775-8000
78560	Dunstan Barnes	312-775-8000
79545	Jason Kuchar	651-382-6069
80527	Dorien Clark	859-644-9235
80656	Christopher Tuinenga	443-800-5531

Proceeding Documents

Notice: refund approved NOTICE

2026-04-27 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2026-04-23 FILING PARTY: PETITIONER

Download

Termination Decision: DECISION Settlement Prior to Institution of Trial 37 C.F.R. § 42.74 TERMINATE

2026-04-22 FILING PARTY: BOARD

Download

Petitioner's Exhibit List NOTICE

2026-04-14 FILING PARTY: PETITIONER

Download

Petitioner's and Patent Owner's Joint Motion to Terminate MOTION

2026-04-14 FILING PARTY: PETITIONER

Download

Atossa Therapeutics, Inc. vs. Jina Pharmaceuticals, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Atossa Therapeutics, Inc.

Represented By

Patent Owner / Respondent

Jina Pharmaceuticals, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Termination Decision: DECISION Settlement Prior to Institution of Trial 37 C.F.R. § 42.74 TERMINATE

Petitioner's Exhibit List NOTICE

Petitioner's and Patent Owner's Joint Motion to Terminate MOTION

Petitioner's and Patent Owner's Joint Request Joint Request to Treat Settlement Agreement as Business Confidential Information MOTION

Email Correspondence Exhibit

Shah (2017) Exhibit

Yesilogluj (2008) Exhibit

Ali (2009) Exhibit

IDS Exhibit

Patent Owner's Preliminary Response Under 37 C.F.R. §42.107 POPR

Gautum (2019) Exhibit

Petitioner's Opposition to Patent Owner's Amended Request for Discretionary Denial of Institution RESPONSE

Patent Owner's Amended Request for Discretionary Denial of Institution OTHER

Order: Conduct of the Proceeding ORDER

Petitioner's Opposition to Patent Owner's Motion for Additional Pages for Its Request for Discretionary Denial of Institution OPPOSITION

Patent Owner's Motion for Additional Pages for Its Request for Discretionary Denial of Institution MOTION

Email Correspondence Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

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

Power of Attorney and Designation of Lead and Back-Up Counsel NOTICE

EX1003 - Declaration of Dr. Mauricio Tohen Exhibit

EX1011 - Declaration of Sayem Osman Exhibit

EX1001 - U.S. Patent No. 12,245,997 Exhibit

EX1010 - Quilty (2013) Exhibit

EX1008 - Baldessarini (2010) Exhibit

EX1007 - Declaration of June Ann Munford Exhibit

EX1009 - DSM-5 (2013) Exhibit

EX1002 - U.S. Patent No. 12,245,997 File History Exhibit

EX1004 - Ahmad (2016) Exhibit

EX1006 - Ahmad (2020) Exhibit

Petition for Post Grant Review of U.S. Patent No. 12,245,997 PETITION

EX1005 - Hirschfeld (2002) Exhibit