Paragon 28, Inc. vs. TREACE MEDICAL CONCEPTS, INC.

Explore the PTAB proceeding PGR2026-00022 filed by Paragon 28, Inc. on 2026-01-13. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2026-00022

Filing Date

2026-01-13

Accorded Filing Date

2026-01-13

Institution Decision Date

2026-06-23

Last Modified Date

2026-08-28

Proceeding Type

PGR

Termination Date

2026-06-23

Trial Status

Institution Denied

Parties & Counsel

Petitioner

Paragon 28, Inc.

Represented By

RAZAI, ALIet al

Patent Owner / Respondent

TREACE MEDICAL CONCEPTS, INC.

Represented By

McCaulley, Richardet 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 18587921

Respondent Patent Number 12274481

External Links

Espacenet

Google Patents

Respondent Inventor Robert D. Santrock et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

21 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name FREDRIKSON & BYRON, P.A. - INTELLECTUAL PROPERTY GROUP

Customer Number 22859

Address 60 SOUTH SIXTH STREET, SUITE 1500, MINNEAPOLIS, MN, 55402, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
34196	Natalie Kadievitch	612-429-7314
35735	David West	612-492-7166
40102	Kurt Niederluecke	612-492-7000
42138	Charles Segelbaum	612-492-7115
45120	Eric Snustad	612-492-7151
45792	R Johnson	515-242-8900
48653	Sean Solberg	515-246-7859
49079	Kara Fairbairn	612-492-7144
52097	John Parzych	612-492-7279
53460	John Petravich	847-745-1700
54059	Robert Day	952-693-3340
57659	Thomas Hipkins	212-684-3999
64437	Daniel Blakeslee	515-242-8900
64610	Paul Lavanway Jr.	612-492-7000
70368	Zachary Pratt	515-242-8935
72038	Eric Buss	612-492-7570
73977	Ryan Spanheimer	402-981-0450
79435	Erik Sundberg	612-492-7813
79811	Rachel Yadlosky	612-492-7418
81316	Eve Durand	515-242-8934
83289	Jordan Lee	612-492-7054

Proceeding Documents

Notice: refund approved NOTICE

2026-08-28 FILING PARTY: BOARD

Download

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

2026-08-20 FILING PARTY: PETITIONER

Download

Institution Decision: Deny DECISION

2026-06-23 FILING PARTY: BOARD

Download

Director Discretionary Decision: Refer RESPONSE

2026-05-15 FILING PARTY: BOARD

Download

3101

Email Correspondence Exhibit

2026-04-24 FILING PARTY: BOARD

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Paragon 28, Inc. vs. TREACE MEDICAL CONCEPTS, INC.

Proceeding Overview

Parties & Counsel

Petitioner

Paragon 28, Inc.

Represented By

Patent Owner / Respondent

TREACE MEDICAL CONCEPTS, 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

Institution Decision: Deny DECISION

Director Discretionary Decision: Refer RESPONSE

Email Correspondence Exhibit

Ex. 2028 - CV of Daniel C. Farber, M.D. Exhibit

Patent Owner's Preliminary Response POPR

Ex. 2029 - GUIDE Definition Exhibit

Ex. 2027 - Declaration of Daniel C. Farber, M.D. Exhibit

Ex. 1038 - Defendants' Opening Brief ISO Motion to Stay Exhibit

Ex. 1039 - Declaration of Michael Schmidt Exhibit

Petitioner's Updated Mandatory Notices - Paragon-Treace '481 PGR2026-00022 NOTICE

Petitioner's Response to PO's Request for Discretionary Denial - Paragon-Treace '481 PGR2026-00022 RESPONSE

Patent Owner's Updated Mandatory Notice NOTICE

Patent Owner's Power of Attorney IFO J. Plenzler NOTICE

Ex. 2003 - 1st Stipulation and Proposed Order to Stay Exhibit

Ex. 2001 - Treace Complaint Exhibit

Ex. 2002 - Stipulation and Order to Extend Deadlines Exhibit

Ex. 2004 - Paragon 28 Complaint Exhibit

Ex. 2014 - Treace Announces Expansion of Its Global IP Portfolio Exhibit

Ex. 2006 - US10856886 Exhibit

Ex. 2012 - Treace Announces Grant of U.S. Patent Exhibit

Ex. 2022 - Treace Announces Settlement of Lawsuit Against Fusion Orthopedics Exhibit

Ex. 2010 - 20210518 - JP Morgan Exhibit

Ex. 2021 - Treace Files Patent Infringement Suit To Protect Bunion Technology Exhibit

Ex. 2016 - Treace Announces New Patent and Milestone 50th U.S. Patent Exhibit

Ex. 2026 - Zimmer Biomet Exhibit

Ex. 2018 - Treace Celebrates 100,000 3D Bunion Correction Patient Milestone Exhibit

Ex. 2020 - UBS Global Healthcare Conference Exhibit

Ex. 2005 - US10849670 Exhibit

Ex. 2009 - TREACE IPO 2021-04-22 Exhibit

Ex. 2013 - Treace Announces Grant of U.S. Patent Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Ex. 2025 - Additional Discretionary Institution Considerations Exhibit

Ex. 2023 - Treace Files Patent Infringement and Unfair Competition Suit to Protect Bunion Technology Exhibit

Ex. 2024 - JP Morgan Healthcare Conference Exhibit

Ex. 2015 - Treace Expands Market Leading Global IP Portfolio Exhibit

Ex. 2017 - Treace Files Patent Infringement Suit to Protect Bunion Technology Exhibit

Ex. 2011 - Treace Announces Grant of U.S. Patent Exhibit

Ex. 2019 - 20230410 - Stephens Inc Exhibit

Ex. 2008 - TREACE INITIAL OFFERING S-1 2021-03-30 Exhibit

Ex. 2007 - US11696767 Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Ex. 1002 - '481 Patent File History Exhibit

Ex. 1015 - Schmid - The Modified Lapidus Fusion Exhibit

Petitioner's POA - Paragon-Treace '481 Pat. PGR2026-00022 NOTICE

Ex. 1005 - US8882816 (Kartalian) Exhibit

Ex. 1030 - US5112334 (Alchermes) Exhibit

Ex. 1016 - Young - New Techniques and Alternative Fixation for the Lapidus Exhibit

Petition for PGR of '481 Patent PETITION

Ex. 1035 - USD695402 (DaCosta) Exhibit

Ex. 1006 - US20160213384 (Fallin) Exhibit

Ex. 1019 - Franssen - One century of Kirschner Wires and Kirschner Wire Exhibit

Ex. 1004 - McGlamry's Foot and Ankle Surgery Exhibit

Ex. 1011 - Lapidus - The authors bunion operation from 1931 to 1959 Exhibit

Ex. 1012 - Hofbauer - The Lapidus procedure Exhibit

Ex. 1017 - DiDomenico - Correction of Frontal Plane Rotation of Sesamoid Exhibit

Ex. 1022 - US20130150900 (Haddad) Exhibit

Ex. 1009 - Dayton - Relationship of Frontal Plane Rotation of First Metatar Exhibit

Ex. 1014 - Toolan - Surgical Strategies The Lapidus Procedure Exhibit

Ex. 1007 - US8328806 (Tyber) Exhibit

Ex. 1036 - Declaration of Sylvia D. Hall-Ellis Ph.D. (Part 2 of 2) Exhibit

Ex. 1027 - US9220518 (Neal) Exhibit