Entegris, Inc. vs. Inpria Corporation

Explore the PTAB proceeding IPR2025-00267 filed by Entegris, Inc. on 2024-12-12. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00267

Filing Date

2024-12-12

Accorded Filing Date

2024-12-12

Institution Decision Date

2026-01-27

Last Modified Date

2026-05-05

Proceeding Type

IPR

Termination Date

2026-05-05

Trial Status

Terminated-Settled

Parties & Counsel

Petitioner

Entegris, Inc.

Represented By

Williams, Eliotet al

Patent Owner / Respondent

Inpria Corporation

Represented By

Modi, Naveenet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1700 - Chemical & Materials Engineering

Patent Information

1 Patent Involved

Respondent Application Number 15950286

Respondent Patent Number 11673903

External Links

Espacenet

Google Patents

Respondent Inventor Joseph B. Edson et al

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

8 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Christensen, Fonder, Dardi & Busse PLLC

Customer Number 62274

Address 11322 86th Ave. N., Maple Grove, MN, 55369, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
32403	Paul Busse	651-275-9830
35480	Douglas Christensen	612-315-4102
39650	Peter Dardi	404-949-5730
51716	Elizabeth Gallo	612-599-0190
60557	John Fonder	612-315-4108
63240	Diane Bennett	612-315-4322
75813	Timothy Busse	651-247-2838
78343	Andrew Auderieth	612-315-4117

Proceeding Documents

103

Termination Decision: Post-DI Settlement TERMINATE

2026-05-05 FILING PARTY: BOARD

Download

Order Dismissing Request for Director Review of Institution Decision REQUEST

2026-04-27 FILING PARTY: BOARD

Download

Joint Request for Treat Settlement Agreement Confidential OTHER

2026-04-22 FILING PARTY: PETITIONER

Download

Joint Motion to Terminate MOTION

2026-04-22 FILING PARTY: PETITIONER

Download

Notice of Joint Stipulation to Extend Due Date 1 NOTICE

2026-03-30 FILING PARTY: PETITIONER

Download

Entegris, Inc. vs. Inpria Corporation

Proceeding Overview

Parties & Counsel

Petitioner

Entegris, Inc.

Represented By

Patent Owner / Respondent

Inpria Corporation

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Termination Decision: Post-DI Settlement TERMINATE

Order Dismissing Request for Director Review of Institution Decision REQUEST

Joint Request for Treat Settlement Agreement Confidential OTHER

Joint Motion to Terminate MOTION

Notice of Joint Stipulation to Extend Due Date 1 NOTICE

[Public Version] Patent Owner's Request for Director Review of Decision Granting Institution OTHER

Authorized Response to Director Review Request OTHER

Order: SCHEDULING ORDER ORDER

Motion to Seal Authorized Response to Director Review Request MOTION

Decision Granting Institution of IPR (Public) OTHER

Patent Owner's Motion to Seal MOTION

Ex. 3103 Counsel email for Authorized response Exhibit

Patent Owner's Motion to Accept Papers Served Via Alternative Means During P-TACTS Unavailability MOTION

Petitioner's Objections to Patent Owner's Pre-Trial Evidence OTHER

Patent Owner's Objections to Petitioner's Exhibits OTHER

Exhibit 2055 [Public] Exhibit

Patent Owner's Supplemental Brief Regarding Lam's Status as an Unnamed Real Party-In-Interest [Public Version] OTHER

Petitioner's Response Brief on Real Party in Interest (Public Version) OTHER

Petitioner's Motion to Seal Response Brief on Real Party in Interest MOTION

Patent Owner's Motion to Seal MOTION

Exhibit 2046 [Public] Exhibit

Patent Owner's Notice of Deposition of Joseph Rivers NOTICE

Ex. 3002 Exhibit

Motion for Entry of Protective Order MOTION

Order: Other ORDER

Transcript of Board Teleconference, dated December 3, 2025 Exhibit

Ex. 3001 Exhibit

Patent Owner's Current List of Exhibits NOTICE

Patent Owner's Current List of Exhibits NOTICE

Exhibit 2044 Exhibit

Granting Rehearing Request from Director Review Decision REQUEST

Patent Owner's Reply to Petitioner's Second Supplemental Brief on Discretionary Denial OTHER

Exhibit 2043 Exhibit

Patent Owner's Current List of Exhibits NOTICE

Petitioner's Supplemental Brief on Discretionary Denial OTHER

Petitioner's Updated Exhibit List NOTICE

Cross License Exhibit

Email Correspondence Exhibit

Patent Owner's Current List of Exhibits NOTICE

Patent Owner's Reply to Petitioner's Supplemental Brief on Discretionary Denial OTHER

Exhibit 2042 Exhibit

Exhibit 2041 Exhibit

Exhibit 2040 Exhibit

Stip of Dismissal Exhibit

Petitioner's Supplemental Brief on Discretionary Denial OTHER

Email Correspondence Exhibit

Petitioner's Request for Rehearing REQUEST

Director Discretionary Decision: Deny RESPONSE

6/23/2025 email Exhibit

Petitioner's Updated Mandatory Notices NOTICE

Petitioner's Response to PO's Discretionary Denial Brief RESPONSE

Redacted 323 Motion for PI. MOL Exhibit

Lam NOM.MTD Exhibit

Oral Order re case narrowing Exhibit

Redacted Second Amended Complaint Exhibit

Order Amending Case Schedule Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Exhibit 2028 Exhibit

Exhibit 2035 Exhibit

Exhibit 2032 Exhibit

Exhibit 2037 Exhibit

Exhibit 2033 Exhibit

Exhibit 2031 Exhibit

Exhibit 2001 Exhibit

Exhibit 2036 Exhibit