GD Energy Products, LLC vs. Kerr Machine Company

Explore the PTAB proceeding PGR2025-00031 filed by GD Energy Products, LLC on 2025-02-06. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2025-00031

Filing Date

2025-02-06

Accorded Filing Date

2025-02-06

Institution Decision Date

2025-07-10

Last Modified Date

2026-09-08

Proceeding Type

PGR

Termination Date

2026-06-29

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

GD Energy Products, LLC

Represented By

DEBOY, MARKet al

Patent Owner / Respondent

Kerr Machine Company

Represented By

Hall, Jameset 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 18321054

Respondent Patent Number 12152582

External Links

Espacenet

Google Patents

Respondent Inventor Kelcy Jake Foster et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

3 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Tomlinson McKinstry, P.C.

Customer Number 28840

Address Two Leadership Square, 211 North Robinson, Suite 450, Oklahoma City, OK, 73102, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28891	Gary Peterson	405-698-0596
60749	Ross Chaffin	405-606-3364
83117	Benjamin Davis	405-606-3359

Proceeding Documents

JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 328(a) FINAL

2026-06-29 FILING PARTY: BOARD

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3001

Exhibit 3001 Exhibit

2026-03-30 FILING PARTY: BOARD

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Order: Conduct of the Proceeding 37 C.F.R. sec. 42.5 ORDER

2025-09-22 FILING PARTY: BOARD

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General Order: Related Matters Updates ORDER

2025-09-20 FILING PARTY: BOARD

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SCHEDULING ORDER ORDER

2025-07-11 FILING PARTY: BOARD

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GD Energy Products, LLC vs. Kerr Machine Company

Proceeding Overview

Parties & Counsel

Petitioner

GD Energy Products, LLC

Represented By

Patent Owner / Respondent

Kerr Machine Company

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 328(a) FINAL

Exhibit 3001 Exhibit

Order: Conduct of the Proceeding 37 C.F.R. sec. 42.5 ORDER

General Order: Related Matters Updates ORDER

SCHEDULING ORDER ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

ORDER Granting Petitioner’s Motion for Pro Hac Vice Admission of Larry L. Shatzer 37 C.F.R. § 42.10 ORDER

Petitioner's Opposition to Discretionary Denial Brief RESPONSE

ShatzerPHVDeclaration Exhibit

Petitioner's First Updated Exhibit List NOTICE

Motion for Pro Hac Vice Admission of Larry Shatzer MOTION

Ex. 2102 Exhibit

Ex. 2104 Exhibit

Ex. 2105 Exhibit

Ex. 2106 Exhibit

Ex. 2103 Exhibit

Ex. 2101 Exhibit

Patent Owner's Request for Discretionary Denial of Institution RESPONSE

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

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

U.S. Patent No. 7,186,097 to Blume (“Blume”) Exhibit

Kerr Website PT-3300HP Offer For Sale from December 28, 2014 Exhibit

Kerr Pump KP-3300HP Spec Sheet Exhibit

File History for U.S. Patent No. 12,152,582 Exhibit

Dupagro Manuals and Parts Lists Website from May 12, 2016 Exhibit

Notice: Power of Attorney NOTICE

U.S. Patent No. 12,152,582 (“Foster”) Exhibit

Affidavit of Tanya Zeif Exhibit

Kerr Website Homepage Screenshot from March 7, 2012 Exhibit

Igor J. Karassik, Pump Handbook (4th ed. 2008), Chapter 3 Exhibit

Expert Declaration of William D. Marscher, P.E. Exhibit

Dupagro Aplex SC65 Manual (“Aplex”) Exhibit

U.S. Pre-Grant Publication No. 2005/0200081 to Stanton et al. (“Stanton”) Exhibit

Kerr Website Classic Pump Products from January 18, 2016 Exhibit

Petition: as filed PETITION

U.S. Patent No. 7,773,833 to Wilkinson et al. (“Wilkinson”) Exhibit

Declaration of Mark DeBoy Exhibit

Kerr KP-3300HP Plunger Pump Service Manual (“Kerr”) Exhibit

Buckhorn Pumps Website Kerr Plunger Pump Manuals from March 17, 2016 Exhibit