Fluidmaster, Inc. vs. Danco, Inc. et al.

Explore the PTAB proceeding IPR2024-00635 filed by Fluidmaster, Inc. on 2024-03-06. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-00635

Filing Date

2024-03-06

Accorded Filing Date

2024-03-06

Institution Decision Date

2024-09-12

Last Modified Date

2026-09-01

Proceeding Type

IPR

Termination Date

2026-03-11

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Fluidmaster, Inc.

Represented By

Toto, Carolynet al

Patent Owner / Respondent

Danco, Inc. et al.

Represented By

Perilla, Jasonet 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 16686328

Respondent Patent Number 10934698

External Links

Espacenet

Google Patents

Respondent Inventor Michael J. Schuster 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 THOMAS | HORSTEMEYER, LLP

Customer Number 24504

Address 3200 WINDY HILL ROAD, SE, SUITE 1600E, ATLANTA, GA, 30339, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
22260	George Thomas	770-933-9500
29526	Todd Deveau	770-933-9500
34183	Scott Horstemeyer	770-933-9500
40977	Michael D'Aurelio	770-933-9500
41805	Dan Gresham	770-933-9500
43968	Lawrence Villanueva	770-984-2300
44561	Scott Brient	678-218-5067
45442	N Crain	770-933-9500
47283	Charles Griggers	770-933-9500
47751	Christopher Linder	770-933-9500
60733	Melissa Rhoden	770-933-9500
62440	Randy Schoen	203-761-1924
68750	Marlena Burt	--
68982	Alfred Nugent Iv	678-218-5068
70966	John Lyon	770-933-9500
73654	Robert Pointer Iv	770-933-9500
74369	Todd Deveau	404-815-6043
78900	Ragan Buckley	770-933-9500
81728	Morgan Perkins	770-933-9500
82616	Baylee Howard	770-738-2342
83375	Samantha Kench	770-738-2346

Proceeding Documents

100

3002

Ex. 3002 Exhibit

2026-07-20 FILING PARTY: BOARD

Download

Order Denying Director Review of Final Written Decision MOTION

2026-06-18 FILING PARTY: BOARD

Download

Authorized Response to Director Review Request OTHER

2026-04-16 FILING PARTY: PETITIONER

Download

3100

Email, Subject_IPR2024-00635 Director Review Request Exhibit

2026-04-10 FILING PARTY: BOARD

Download

Patent Owners Request for Director Review REQUEST

2026-04-10 FILING PARTY: PATENT OWNER

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Fluidmaster, Inc. vs. Danco, Inc. et al.

Proceeding Overview

Parties & Counsel

Petitioner

Fluidmaster, Inc.

Represented By

Patent Owner / Respondent

Danco, Inc. et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Ex. 3002 Exhibit

Order Denying Director Review of Final Written Decision MOTION

Authorized Response to Director Review Request OTHER

Email, Subject_IPR2024-00635 Director Review Request Exhibit

Patent Owners Request for Director Review REQUEST

Final Written Decision: JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 318(a) FINAL

General Order: Related Matters Updates ORDER

Order: GRANT OF GOOD CAUSE EXTENSION 35 U.S.C. § 316(a)(11); 37 C.F.R. § 42.100(c) ORDER

Order: Extending One-Year Pendency for Good Cause 35 U.S.C. § 316(a)(11); 37 C.F.R. § 42.100(c) ORDER

Other: Hearing transcript OTHER

Petitioner's Demonstratives OTHER

Patent Owner’s Demonstrative Exhibits for Oral Argument OTHER

Notice: Patent Owner's LEAP Request GRANTED (Thomas F. Finch) NOTICE

ORDER Setting Oral Argument 37 C.F.R. § 42.70 ORDER

Patent Owner's Request for Oral Argument MOTION

Patent Owner's Sur-Reply to Petitioner's Reply NOTICE

Deposition Transcript of Kimberly Cameron , Dated April 23, 2025 Exhibit

Petitioner’s Request for Oral Argument OTHER

Order Conduct of the Proceeding ORDER

Patent Owner's Second Notice of Deposition of Kimberly K. Cameron, Ph.D., P.E. NOTICE

Petitioner’s Updated Exhibit List OTHER

Petitioner’s Reply to Patent Owner’s Response to Petition REPLYTOOPP

Demonstrative of Figure 7 of EX1022 (Ho), marked during deposition of Michael Jobin, taken March 11, 202 Exhibit

Supplemental Expert Declaration of Dr. Kimberly K. Cameron, Ph.D., dated March 19, 2025 Exhibit

Transcript of Deposition of Michael Jobin, taken March 11, 2025 Exhibit

Petitioner's Amended Notice of Deposition of Michael Jobin NOTICE

Stipulated Change of Due Dates (IPR2024-00635) OTHER

Petitioner's Notice of Deposition of Michael Jobin NOTICE

Patent Owner's Response to Petition RESPONSE

Curriculum Vitae of Michael Jobin Exhibit

Annotations to U.S. Patent No. 8,028,719 (“Johnson”) Fig. 1 Exhibit

U.S. Patent Pub. No. 2024/0026990 A1 (“Cao”) Exhibit

Declaration of Michael Jobin Exhibit

Annotations to Petitioner’s EX1016 (“Guoxin”) Exhibit

“What is a Flow Restrictor, and How Does It Work?" Exhibit

U.S. Patent No. 8,028,719 (“Johnson”) Exhibit

Annotations to U.S. Patent Pub. No. 2024/0026990 A1 (“Cao”) Fig. 6 Exhibit

Flowmatic Valves Exhibit

Deposition Transcript of Dr. Kimberly Cameron, Dated Nov. 19-20, 2024 Exhibit

First Amended Notice of Deposition for Dr. Cameron NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

ORDER Conduct of the Proceeding ORDER

Ex. 3001 Exhibit

PATENT OWNERS NOTICE OF DEPOSITION OF KIMBERLY K. CAMERON, Ph.D., P.E NOTICE

Order: SCHEDULING ORDER ORDER

Institution Decision: DECISION Granting Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

Patent Owner's Surreply to the Petition OTHER

Petitioner’s Reply to Patent Owner’s Preliminary Response OTHER

Petitioner’s Updated Exhibit List (July 8, 2024) NOTICE

EX1035 – Comparison of Annotated Figures in Petition (Paper 1) and Annotated Figures in Expert Declaration of Dr. Kimberly Cameron (EX1004) Exhibit

Order: Other ORDER

Granting Patent Owner’s Motions for Pro Hac Vice Admission of Eric G. Maurer 37 C.F.R. § 42.10 ORDER

Ex. 2004 Overflow Tube Exhibit

Patent Owner's Preliminary Response POPR

Ex. 2002 Pressure Head Definition Exhibit

Ex. 2003 Valve Definition Exhibit

Patent Owner's Updated Exhibit List (June 13, 2024) NOTICE

Ex. 2001 Declaration of Eric G. Maurer in Support of Motion PHV Exhibit

Pro Hac Motion for Eric G. Maurer MOTION

Patent Owners Exhibit List NOTICE

Order Granting Petitioner’s Motions for Pro Hac Vice Admission of Ranjini Acharya ORDER

EX1034-Minutes (In Chambers) Order Granting Defendant’s Motion to Stay Case Pending IPR (Dkt. No. 48) in Danco, Inc. v. Fluidmaster, Inc., et al., Case No. 8:23-cv-01156 (C.D. Cal.), entered April 3, 2024 Exhibit

Petitioner's Updated Exhibit List OTHER

Petitioner's Updated Mandatory Notice Under C.F.R. § 42.8(a)(3) and Designation of Lead and Back-Up Counsel NOTICE

Declaration of Ranjini Acharya in Support of Petitioner's Motion for Admission Pro Hac Vice of Ranjini Exhibit