IPG Photonics Corporation vs. Trumpf Laser- Und Systemtechnik GMBH

Explore the PTAB proceeding IPR2026-00251 filed by IPG Photonics Corporation on 2026-02-20. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00251

Filing Date

2026-02-20

Accorded Filing Date

2026-02-20

Institution Decision Date

—

Last Modified Date

2026-05-14

Proceeding Type

IPR

Termination Date

2026-05-14

Trial Status

Terminated-Settled

Parties & Counsel

Petitioner

IPG Photonics Corporation

Represented By

Ha, Yung-Hoonet al

Patent Owner / Respondent

Trumpf Laser- Und Systemtechnik GMBH

Represented By

Renner, W. Karlet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 18387089

Respondent Patent Number 12240054

External Links

Espacenet

Google Patents

Respondent Inventor Rudolph Huber et al

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

167 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name FISH & RICHARDSON P.C. (BO)

Customer Number 26161

Address P.O. BOX 1022, MINNEAPOLIS, MN, 55440-1022, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
25351	S Ludwig	212-641-2320
30499	Robert Sullivan Jr	212-765-5070
31644	P Musselman Jr	214-292-4030
32983	J Fasse	617-542-5070
34609	David Goren	650-839-5070
34819	Janis Fraser	617-542-5070
35283	Anita Meiklejohn	617-542-5070
35322	John Phillips	858-678-5070
37640	John Hayden	202-783-5070
38524	Phyllis Kristal	202-626-6424
39522	Terry Stalford	214-292-4088
40978	Sean Daley	617-542-5070
41265	Walter Renner	202-626-6447
42276	James Babineau	512-472-5070
42497	John Dragseth	612-335-5070
42596	Kirk Gottlieb	650-839-5070
43162	Richard Sterba	202-783-5070
43350	Charles Schulman	617-230-6012
43881	Timothy Riffe	202-783-5070
44109	James Finn Iii	612-335-5070
44282	M. Parsons	612-337-2577
45449	Gwilym Attwell	302-778-8458
45485	John Conroy	490-897-10410250
45910	Paul Franz	404-724-2763
46310	Joshua Griswold	214-292-4034
46656	Sean Dean	617-542-5070
46731	Christine Goddard	617-542-5070
47443	John Brennan	212-765-5070
47532	Andrea Dorigo	858-678-4794
47671	William Hunter	858-678-4707
48029	Scott Wendorf	214-733-0859
48950	Jeffrey Barclay	617-542-5070
50325	David Jordan	202-626-6365
50429	Janice Deyoung	617-956-5985
50620	Thomas Rozylowicz	202-626-6395
50636	Ryan Mccarthy	512-226-8169
50680	John Kendall	617-521-7032
53103	Elizabeth Kaytor	34-985-26-92-75
53452	Neal Persky	512-853-8800
54101	Heather Flanagan	512-472-5070
54112	Todd Garcia	617-542-5070
54149	Michael Hamlin	617-542-5070
55016	Christopher Bowley	650-839-5001
56842	Marc Wefers	617-542-5070
57661	Rex Huang	617-542-5070
57867	Michael Hawkins	612-337-2569
58674	Cameron Luitjens	612-766-2082
59567	Nicholas Jepsen	202-626-6367
60816	Patrick King	703-720-7870
61225	Michael Portnov	650-839-5070
61359	Tiffany Reiter	617-897-2037
61757	Yao Wang	202-626-6442
62371	Tracy Hitt	404-724-2775
62396	Joseph Valentino	212-765-5070
62469	Jamilla Holomon	713-654-5320
63173	Matthew Wernli	512-226-8131
63471	Andrew Patrick	202-783-5070
63893	Patrick Bisenius	612-337-2590
63947	Stuart Nelson	612-337-2538
64231	Michael Shepherd	650--83-9-5165
64297	Jennifer Huang	612-335-5070
64455	Garett Padilla	612-638-5739
64612	Christina Mcdonough	617-542-5070
64768	Rishi Gupta	214-292-4056
64816	Robert Gerhart	612-766-2061
64869	Jonathan Solomon	214-760-6148
65068	Kenneth Darby Jr.	512-226-8126
65161	David Holt	202-626-7783
65758	Andrew Dommer	612-337-2522
65853	Joseph Koipally	617-542-5070
65973	Matthew Mattson	214-747-5070
66469	Christopher Wright	404-724-2788
67317	Crystal Culhane	858-678-5635
67552	Paul Western	612-337-2567
68116	Kenneth Hoover	512-226-8117
68717	Sushil Iyer	202-626-7778
68848	Joel Couenhoven	202-783-5070
68892	Margaret Willis	612-278-4506
69205	Patrick Darno	202-626-7726
69264	Craig Deutsch	612-278-4514
69591	Kathryn Grey	612-638-5720
70014	Hyun Jin In	202-626-7765
70439	Usman Khan	202-626-6383
70538	Yunbo Guo	512-226-8108
70596	Erin Knight	512-226-8118
70838	Annie King	617-368-2121
71612	Kary Yergler	214-292-4036
71762	Matthew Knabel	202-835-7537
71777	Karan Jhurani	404-724-2807
71928	Craig Boyle	212-641-2265
71977	Grace Kim	612-766-7896
72483	Ayan Roy-Chowdhury	202-626-6428
72505	Gretchen Devries	212-641-2269
72726	Giordana Mahn	617-521-7845
73048	Iulia Graf	512-226-8121
73259	Richard Wong	212-641-2285
73407	Scott Dyar	312-913-3332
73472	Meghana Gupta	617-542-5070
73609	William Spencer Iii	212-641-2270
74063	Christopher Reilly	617-933-4427
74071	Timothy Babatz	612-708-5996
74169	Leanne Flatter	512-226-8130
74320	Nicholas Stephens	612-766-2018
74466	Ryan Chowdhury	202-638-6554
74627	Evan Davey	302-778-8457
74643	Peter Poulin	617-956-5901
74999	Peng Lin	617-368-2124
75037	Katie Hyma	613-682-1397
75127	Xu Li	302-778-8470
75476	Kiersten Batzli	612-766-2015
75496	Dariela Almeda	512-226-8115
75834	Karina Calliste	202-629-6363
76005	Parvin Ghane	512-226-8143
76611	Minseung Ahn	202-626-7708
76667	Vincent Beacom	763-213-3914
76691	Molly Kelley	612-335-5070
76703	Craig Carlson	202-638-6509
76843	Kim Bui	212-641-2318
76874	Jasmine De Cock	212-641-2216
76988	Kimberly Reynolds	617-526-9671
77081	Cameron Ubel	612-766-2057
77139	Caleb Bates	650-839-5070
77256	Justin Sears	212-641-2296
77259	Liujing Xing	617-542-5070
77261	Sangki Park	612-336-4669
77277	Sohee Yoon	202-626-7703
77367	Juan Perez Jr.	512-226-8158
77647	Alysha Dicke	612-638-5719
77763	Matthew Chun	617-521-7021
77914	Ashley Biernesser	617-521-7033
77958	Hanchao Zhao	617-368-2182
78020	Erica Davis	503-970-8608
78165	Samuel Orke	414-277-5640
78294	Jiao Wang	858-678-4390
78335	Patrick Rothstein	312-423-3462
78380	Baile Xie	214-760-6139
78815	Timothy Mcfadden	617-542-5070
78933	Daniel Wheaton	207-408-9369
79014	Allison Dietrich	202-626-6423
79041	Haoliang Chen	214-292-4048
79350	Jong Wan Suh	202-626-7785
79432	Indranil Sarkar	202-638-6504
79512	Sara Brandt	049-897-10410296
79866	Alexander Berg	212-641-2232
79991	Benjamin Halkowski	202-220-6849
800058	Jesse Gordon	617-992-5179
80456	Michael Jandron	617-368-2187
80507	Allen Eastlund	612-638-5752
80549	Kenneth Langley	512-226-8146
80735	Jillian Shapiro	212-765-5070
80797	Steven Petkovsek	216-538-3967
80833	Wilhelm Bolt	617-521-7829
81011	Allison Ramsey	214-747-5070
81012	Pallavi Banerjee	617-542-5070
81178	Alexander Scogin	512-472-5070
81505	John Treilhard	404-901-2953
81555	John Bowler	303-473-2700
81764	Therese Paoletta	512-472-5070
82012	Shihong Li	650-839-5089
82218	Ryan Fitzpatrick	512-226-8102
82314	Katie Bitting	617-368-2106
82360	Girish Ratanpal	713-589-9924
82872	Diana Kafkes	617-521-7841
L1264	John Treilhard	202-626-6439
L1279	Ran Wang	713-654-5366
L1350	Laura Daly	512-487-9048
L1372	Jia Zhu	650-839-5070

Proceeding Documents

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

2026-05-14 FILING PARTY: BOARD

Download

Joint Motion to Terminate and Request to Treat Agreement as Business Confidential Information MOTION

2026-05-07 FILING PARTY: PETITIONER

Download

3101

Email Correspondence Exhibit

2026-05-05 FILING PARTY: BOARD

Download

2009

Prosecution History Associated with US Patent No. 11,806,804 Exhibit

2026-04-27 FILING PARTY: PATENT OWNER

Download

2005

Director Squires Testimony to House Sub-Committee Exhibit

2026-04-27 FILING PARTY: PATENT OWNER

Download

IPG Photonics Corporation vs. Trumpf Laser- Und Systemtechnik GMBH

Proceeding Overview

Parties & Counsel

Petitioner

IPG Photonics Corporation

Represented By

Patent Owner / Respondent

Trumpf Laser- Und Systemtechnik GMBH

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

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

Joint Motion to Terminate and Request to Treat Agreement as Business Confidential Information MOTION

Email Correspondence Exhibit

Prosecution History Associated with US Patent No. 11,806,804 Exhibit

Director Squires Testimony to House Sub-Committee Exhibit

United States Patent No. 12,237,642 Exhibit

Request for Discretionary Denial RESPONSE

Prosecution History Associated with US Patent No. 8,781,269 Exhibit

Prosecution History Associated with US Patent No. 9,482,821 Exhibit

Brunner, Tube Laser helps company transition from distributor to fabricator Exhibit

Trumpf Email of July 31 2019 Exhibit

Trumpf Fact Sheet Exhibit

IPG Complaint, Case No. 2 26 cv 00035, E.D. Tx Jan. 2026 Exhibit

Prosecution History Associated with US Patent No. 11,215,761 Exhibit

IPG Email of August 16 2019 Exhibit

Prosecution History Associated with US Patent No. 10,281,656 Exhibit

Patent Owner's Power of Attorney NOTICE

Patent Owner's Mandatory Notices NOTICE

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

EX1008 - U.S. Patent No. 5,897,551 Exhibit

EX1012 - U.S. Patent No. 4,465,335 Exhibit

EX1009 - 510(k) Summary FDA Approval of StrateFire Exhibit

EX1005 - U.S. Patent No. 6,160,943 Exhibit

EX1004 - E.P. Patent No. 1,284,672 Exhibit

Petition for IPR of the 054 Patent: as filed PETITION

EX1007 - U.S. Patent No. 4,000,416 Exhibit

EX1011 - Optical Communications Essentials by Gerd Keiser Exhibit

EX1001 - U.S. Patent No. 12,240,054 Exhibit

EX1010 - U.S. Patent Application Publication 2008/0086118 Exhibit

EX1002 - Expert Decl. Exhibit

EX1006 - WO2006/021609 Exhibit

EX1013 - Certified Translation of E.P. Patent No. 0,362,466 Exhibit

Notice: Petitioner's Power of Attorney NOTICE

EX1003 - 054 FH Exhibit