Paragon 28, Inc. vs. Treace Medical Concepts, Inc.

Explore the PTAB proceeding PGR2026-00031 filed by Paragon 28, Inc. on 2026-03-03. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2026-00031

Filing Date

2026-03-03

Accorded Filing Date

2026-03-03

Institution Decision Date

2026-08-13

Last Modified Date

2026-10-09

Proceeding Type

PGR

Termination Date

—

Trial Status

Trial Instituted

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 18615875

Respondent Patent Number 12349941

External Links

Espacenet

Google Patents

Respondent Inventor Paul Dayton 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

Panel Change Order ORDER

2026-10-09 FILING PARTY: BOARD

Download

Notice of Joint Stipulation to Modify Due Dates 1-3 NOTICE

2026-09-16 FILING PARTY: PATENT OWNER

Download

Patent Owner's Notice of Deposition of Steven K. Neufeld, M.D. NOTICE

2026-09-16 FILING PARTY: PATENT OWNER

Download

Petitioner's Updated Mandatory Notices PGR2026-00031 NOTICE

2026-08-31 FILING PARTY: PETITIONER

Download

Order: SCHEDULING ORDER ORDER

2026-08-17 FILING PARTY: BOARD

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Paragon 28, Inc. vs. Treace Medical Concepts, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Paragon 28, Inc. Follow

Represented By

Patent Owner / Respondent

Treace Medical Concepts, Inc. Follow

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Panel Change Order ORDER

Notice of Joint Stipulation to Modify Due Dates 1-3 NOTICE

Patent Owner's Notice of Deposition of Steven K. Neufeld, M.D. NOTICE

Petitioner's Updated Mandatory Notices PGR2026-00031 NOTICE

Order: SCHEDULING ORDER ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

Patent Owner's Preliminary Response POPR

Ex. 2027 - Declaration of Daniel C. Farber Exhibit

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

Petitioner's Response to Request for Discretionary Denial RESPONSE

Ex. 1028 - Defendants' Opening Brief in Support of Motion to Stay Exhibit

Ex. 1027 - Declaration of Michael Schmidt Exhibit

Ex. 2008 - TREACE IPO 2021-04-21 Exhibit

Ex. 2020 - Treace Files Patent Infringement Suit To Protect Bunion Technology Exhibit

Ex. 2002 - US20130325076 Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Ex. 2005 - Paragon 28 Complaint Exhibit

Ex. 2026 - Declaration of Terry Wade Lubben Exhibit

Ex. 2017 - Treace Celebrates 100,000 3D Bunion Correction Patient Milestone Exhibit

Ex. 2013 - Treace Announces Expansion of Its Global IP Portfolio Exhibit

Ex. 2004 - 1st Stipulation and Proposed Order to Stay Exhibit

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

Ex. 2021 - Treace Announces Settlement of Lawsuit Against Fusion Orthopedics Exhibit

Ex. 2025 - Zimmer Biomet Website Exhibit

Ex. 2016 - Treace Files Patent Infringement Suit to Protect Bunion Technology Exhibit

Ex. 2010 - Treace Announces Grant of U.S. Patent Exhibit

Ex. 2024 - Additional Discretionary Institution Considerations Exhibit

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

Ex. 2007 - TREACE INITIAL OFFERING S-1 2021-03-30 Exhibit

Ex. 2023 - JP Morgan Healthcare Conference Exhibit

Ex. 2006 - US10945764 Exhibit

Ex. 2022 - Treace Files Patent Infringement and Unfair Competition Suit to Protect Bunion Technology Exhibit

Ex. 2018 - 20230410 - Stephens Inc Exhibit

Ex. 2015 - Treace Announces New Patent and Milestone 50th U.S. Patent Exhibit

Ex. 2003 - Stipulation and Order to Extend Deadlines Exhibit

Ex. 2001 - Treace Complaint Exhibit

Ex. 2009 - 20210518 - JP Morgan Exhibit

Ex. 2019 - UBS Global Healthcare Conference Exhibit

Ex. 2014 - Treace Expands Market Leading Global IP Portfolio Exhibit

Email Correspondence Exhibit

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

Patent Owner's Updated Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice filing date accorded to Petition NOTICE

Ex. 1007 - US5702389 (Taylor) Exhibit

Ex. 1005 - Relationship of Frontal Plane Rotation of First MetatarsalDayton Exhibit

Ex. 1024 - US20090118733 (Orsak-733) Exhibit

Ex. 1010 - US20110288550 (Orbay) Exhibit

Ex. 1011 - McGlamry's Foot and Ankle Surgery Exhibit

Ex. 1002 - '941 Patent File History Exhibit

Notice of Intent to Designate BGS Back-Up Counsel 941 Pat. PGR2026-00031 NOTICE

Ex. 1013 - Declaration of Michelle L. Warmath Exhibit

Ex. 1021 - Declaration of Sylvia D. Hall-Ellis Ph.D. (Part 2 of 2) Exhibit

Ex. 1003 - Declaration of Steven Neufeld, MD Exhibit

Notice: Power of Attorney NOTICE

Ex. 1004 - Curriculum Vitae of Steven K. Neufeld, MD Exhibit

Ex. 1015 - US20130150900 (Haddad) Exhibit

Ex. 1012 - US4349018 (Chambers) Exhibit

Ex. 1025 - US20090198279 (Zhang) Exhibit

Petition: as filed PETITION

Ex. 1018 - Lapidus - The authors bunion operation from 1931 to 1959 Exhibit

Ex. 1016 - Cottom - Fixation of Lapidus Arthrodesis Exhibit

Ex. 1009 - WO2012103335 (Palmer) Exhibit

Paragon 28, Inc.

Treace Medical Concepts, Inc.