Microsoft Corporation vs. Proxense, LLC

Explore the PTAB proceeding IPR2024-00846 filed by Microsoft Corporation on 2024-04-26. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-00846

Filing Date

2024-04-26

Accorded Filing Date

2024-04-26

Institution Decision Date

2024-11-18

Last Modified Date

2025-12-19

Proceeding Type

IPR

Termination Date

2025-10-17

Trial Status

Final Written Decision - Appealed

Parties & Counsel

Petitioner

Microsoft Corporation

Represented By

Renner, W. Karlet al

Patent Owner / Respondent

Proxense, LLC

Represented By

Hecht, Davidet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2400 - Computer Networks, Multiplex & Cybersecurity

Patent Information

1 Patent Involved

Respondent Application Number 13710109

Respondent Patent Number 8886954

External Links

Espacenet

Google Patents

Respondent Inventor John J. Giobbi

Respondent Tech Center TC 2400 - Computer Networks, Multiplex & Cybersecurity

Address and Attorney/Agent Information

9 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Patent Law Works/Proxense - Greg Sueoka

Customer Number 89194

Address 4516 South 700 East, Suite 290, Salt Lake City, UT, 84107, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
33800	Greg Sueoka	801-258-9821
33830	Reena Kuyper	650-537-4509
41055	Franklin Han	650-533-1964
44386	Edward Van Gieson	650-537-4500
45562	Devin Morgan	607-643-5777
55896	Daniel Morath	801-258-9816
65160	Matthew Holmes	385-232-7853
69784	Michael Nguyen	650-537-4506
L1213	Arun Jayachandran	801-349-9835

Proceeding Documents

3002

Ex. 3002 Request for Additional Briefing Exhibit

2025-12-19 FILING PARTY: BOARD

Download

Notice of Appeal NOTICE

2025-12-18 FILING PARTY: PATENT OWNER

Download

Final Written Decision: original FINAL

2025-10-17 FILING PARTY: BOARD

Download

3001

Ex. 3001 Prosecution History Excerpts Exhibit

2025-10-17 FILING PARTY: BOARD

Download

Other: Hearing transcript OTHER

2025-10-16 FILING PARTY: BOARD

Download

Microsoft Corporation vs. Proxense, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Microsoft Corporation

Represented By

Patent Owner / Respondent

Proxense, LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Ex. 3002 Request for Additional Briefing Exhibit

Notice of Appeal NOTICE

Final Written Decision: original FINAL

Ex. 3001 Prosecution History Excerpts Exhibit

Other: Hearing transcript OTHER

Response to the Office Action mailed July 29, 2025, as filed on September 29, 2025 Exhibit

Petitioner's Updated Exhibit List NOTICE

Order Granting Stay (in WDTX, case no. 6 23 cv 00319) Exhibit

Order Denying Request for Director Review in IPR2024-00233 Exhibit

Patent Owner's Notice of Appeal Exhibit

General Order: Related Matters Updates ORDER

Petitioner's Updated Exhibit List NOTICE

Patent Owner's Demonstratives OTHER

Petitioner's Demonstratives for Oral Argument Exhibit

Petitioner's Objections to Patent Owner's Demonstratives OTHER

Office Action from Reexamination No. 90/015,052 Exhibit

Office Action from Reexamination No. 90/015,052 Exhibit

Updated Mandatory Notice NOTICE

ORDER Denying Stay of Reexamination 35 U.S.C. § 325(d) ORDER

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

Petitioner's Request for Oral Argument OTHER

Request for Oral Argument OTHER

Petitioner Objections to Evidence OTHER

Patent Owner's Opposition to Petitioner's Motion to Stay OPPOSITION

Patent Owner's Sur-Reply NOTICE

Motion for Summary Judgment Exhibit

Petitioner's Motion to Stay the Ex Parte Reexamination of US Patent No. 8,352,730 MOTION

Updated Mandatory Notice NOTICE

US Patent No. 5,913,040 Rakavy Exhibit

Supplemental Declaration of Dr. Patrick Traynor Exhibit

Petitioner's Reply to Patent Owner's Response REPLYTOOPP

Joint Stipulation to Modify Due Dates 2 and 3 OTHER

Updated Mandatory Notice NOTICE

Petitioner's Objections to Evidence OTHER

Definition Exhibit

Definition Exhibit

Article Exhibit

Statistics Exhibit

Patent Owner's Response RESPONSE

Article Exhibit

Article Exhibit

Article Exhibit

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

Order: SCHEDULING ORDER ORDER

Opening Claim Construction Brief Exhibit

Patent Owner's Preliminary Response POPR

Claim Construction Memorandum Exhibit

Notice : Power of Attorney NOTICE

Claim Construction Order Exhibit

Article Exhibit

Claim Construction Order Exhibit

Markman Hearing Transcript Exhibit

Definition of Access - Miriam Webster Exhibit

Notice : Mandatory Notice NOTICE

Claim Construction Order Exhibit

Microsoft Stipulation dated June 21, 2024 Exhibit

Petitioner's Updated Exhibit List NOTICE

Scheduling Order, Proxense LLC v. Microsoft Corporation Exhibit

Notice: Notice filing date accorded NOTICE

US Patent No. 10,755,300 Goodhart Exhibit

Order Denying Motion to Transfer Exhibit

Order Granting Motion to Stay pending resolution of the Motion to Transfer Exhibit

US Patent No. 7,681,050 Blom Exhibit

Motion to Transfer Exhibit

Ex-Parte Re-examination Request of 905 patent Part 2 of 4 Exhibit