Meta Platforms, Inc. vs. Dashen Fan et al (Inventor)
Explore the PTAB proceeding IPR2027-00019 filed by Meta Platforms, Inc. on 2026-10-26. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
Proceeding Overview
Proceeding Number
IPR2027-00019
Filing Date
2026-10-26
Accorded Filing Date
—
Institution Decision Date
—
Last Modified Date
2026-10-26
Proceeding Type
IPR
Termination Date
—
Trial Status
Pending
Parties & Counsel
Petitioner
Meta Platforms, Inc.
Represented By
Nguyen, Lisaet alPatent Owner / Respondent
Dashen Fan et al (Inventor)
Represented By
—Tribunal & Venue
Tribunal
Patent Trial and Appeal Board (USPTO)
Technology Center
TC 2600 - Communications
Patent Information
Respondent Application Number
14886077
Respondent Patent Number
10306389
External Links
Respondent Inventor
Dashen Fan et al
Respondent Tech Center
TC 2600 - Communications
Address and Attorney/Agent Information
Power of Attorney & Correspondence
Firm
/ Entity Name
CALDWELL LLC
Customer
Number
145340
Address
200 Clarendon Street, 59th Floor, Boston, MA, 02116, UNITED STATES
Attorney / Agent Information
| Reg # | Name | Phone |
|---|---|---|
| 68457 | Katarzyna Zebrowska | +1 786-797-1199 |
| 69906 | Micah Drayton | +1 857-990-4942 |
| 70147 | Khurram Rahman | +1 424-387-4699 |
| 70797 | Charles Dresser | +1 207-240-1203 |
| 73731 | Keegan Caldwell | +1 857-990-4926 |
| 76990 | Katherine Rubino | +1 857-626-7061 |
| 77128 | Kurt Hoppmann | +1 617-532-0055 |
| 79880 | Shixiong Wang | +1 857-365-8874 |
Proceeding Documents
33
1004
Curriculum Vitae of Richard M. Stern, Jr., Ph.D. Exhibit
2026-10-26
FILING PARTY: PETITIONER
1021
Boll, Suppression of Acoustic Noise in Speech Using Spectral Sub. 1979 Exhibit
2026-10-26
FILING PARTY: PETITIONER
1020
Haykin, Adaptive Filter Theory (3rd ed., Prentice Hall 1996) (Part 3 of 3) Exhibit
2026-10-26
FILING PARTY: PETITIONER
1022
Malah, Speech Enhancement Using a Min. Mean-Square Error Short 1984 Exhibit
2026-10-26
FILING PARTY: PETITIONER
1009
U.S. Patent App. Pub. No. 2010/0260346 (“Takano”) Exhibit
2026-10-26
FILING PARTY: PETITIONER