Krisp Technologies, Inc. vs. Sanas.AI, Inc.

Explore the PTAB proceeding PGR2026-00033 filed by Krisp Technologies, Inc. on 2026-03-30. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2026-00033

Filing Date

2026-03-30

Accorded Filing Date

2026-03-30

Institution Decision Date

2026-09-02

Last Modified Date

2026-10-22

Proceeding Type

PGR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

Krisp Technologies, Inc.

Represented By

Buresh, Ericet al

Patent Owner / Respondent

Sanas.AI, Inc.

Represented By

Macedo, Charleset al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 19027799

Respondent Patent Number 12417756

External Links

Espacenet

Google Patents

Respondent Inventor Ankita JHA et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

22 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Troutman Pepper Locke LLP (Rochester)

Customer Number 11951

Address 80 Linden Oaks, Suite 320, Rochester, NY, 14625, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
35584	Gunnar Leinberg	585-270-2103
40087	Edwin Merkel	585-270-2104
51998	Alison Mccarthy	617-204-5100
56048	Tate Tischner	585-270-2109
59767	Bryan Smith	585-270-2141
60758	Nicholas Gallo	585-270-2133
61926	Chris Davis	404-885-3145
63064	Mark Jones	404-885-3652
65668	Megan O'Gara	585-270-2110
68605	Scott Bergeson	804-697-1476
69241	Amanda Keys	585-270-2116
69372	Alina Khankin	212-704-6000
72877	Bryan Cannon	202-220-1257
73590	Mark Bell Iii	610-640-7838
76449	Dustin Ferzacca	978-578-3804
77780	Olivia Block	585-270-2142
78968	Ann Slade	585-270-2148
79568	Stephanie Remy	404-885-3239
79721	Anna Gromova	585-270-2153
81204	Harrison Lawrence	972-679-0190
81615	Emily Tarsis	585-270-2129
82542	Amanda Wahl	585-270-2156

Proceeding Documents

Notice of Stipulation to Adjust Schedule OTHER

2026-10-22 FILING PARTY: PETITIONER

Download

Order: Scheduling Order ORDER

2026-09-09 FILING PARTY: BOARD

Download

Institution Decision: Grant DECISION

2026-09-02 FILING PARTY: BOARD

Download

Director Discretionary Decision: Refer RESPONSE

2026-07-21 FILING PARTY: BOARD

Download

Patent Owner's Preliminary Response POPR

2026-06-30 FILING PARTY: PATENT OWNER

Download

Krisp Technologies, Inc. vs. Sanas.AI, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Krisp Technologies, Inc. Follow

Represented By

Patent Owner / Respondent

Sanas.AI, Inc. Follow

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice of Stipulation to Adjust Schedule OTHER

Order: Scheduling Order ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

Patent Owner's Preliminary Response POPR

Exhibit 2032 Exhibit

Exhibit 2033 Exhibit

EX1040-Screenshot of YouTube Video Description Exhibit

EX1039-Nitesh Varshney LinkedIn Profile Exhibit

EX1041-Time to Trial Statistics for N.D. Cal. Exhibit

Opposition to Patent Owner’s Request for Discretionary Denial RESPONSE

EX1038-Audio of Interview with Nitesh Varshney Exhibit

Exhibit 2012 Exhibit

Exhibit 2030 Exhibit

Exhibit 2008 Exhibit

Exhibit 2015 Exhibit

Exhibit 2007 Exhibit

Exhibit 2013 Exhibit

Exhibit 2011 Exhibit

Exhibit 2025 Exhibit

Patent Owner's Request for Discretionary Denial RESPONSE

Exhibit 2024 Exhibit

Exhibit 2028 Exhibit

Exhibit 2002 Exhibit

Exhibit 2031 Exhibit

Exhibit 2004 Exhibit

Exhibit 2014 Exhibit

Exhibit 2017 Exhibit

Exhibit 2026 Exhibit

Exhibit 2006 Exhibit

Exhibit 2027 Exhibit

Exhibit 2010 Exhibit

Exhibit 2009 Exhibit

Exhibit 2003 Exhibit

Exhibit 2029 Exhibit

Exhibit 2005 Exhibit

Exhibit 2001 Exhibit

Petitioner's Updated Exhibit List NOTICE

EX1037-Petitioner's Stipulation Exhibit

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice filing date accorded NOTICE

EX1025-Mohri, et al. Foundations of Machine Learning second edition Exhibit

EX1001-U.S. Patent No. 12,417,756 Exhibit

EX1034-U.S. Patent Application Publication No. 2021/0082402 to Sun et al. Exhibit

EX1005-U.S. Patent No. 10,163,451 to Dirac et al. Exhibit

EX1018-U.S. Patent No. 10,614,826 to Huffman et al. Exhibit

EX1022-Giroti, et al. Person Identification through Voice using MFCC Exhibit

EX1004-U.S. Patent Application Publication No. 2024/0098218 to Nguyen et al Exhibit

EX1030-U.S. Patent No. 8,564,544 to Jobs et al. Exhibit

EX1033-Purwins, et al Deep Learning for Audio Signal Processing, IEEE Journ Exhibit

EX1020-Constantinos Xydeas, Differential Encoding Techniques Applied Exhibit

EX1013-C. O’Callaghan, Pitch, (https://web.archive.org/web/20150930164248/h Exhibit

EX1023-Cathy van Eck, Between Air and Electricity, Bloomsburry Academic Exhibit

Petition for Post Grant Review of U.S. Patent No. 12,417,756 PETITION

EX1036-Declaration of June Munford Exhibit

EX1008-Juang, et al. Automatic Speech Recognition – A Brief History Exhibit

EX1014-Sisman, et al. Sparse Representation with WaveNet Vocoder Adaptation Exhibit

EX1026-Han, et al.Artificial Neural Network Understanding the Basic Concept Exhibit

EX1035-Holmes, et al Speech Synthesis and Recognition, Second Edition Exhibit

EX1010-Delic, et al. Speech Technology Progress Based on New Machine Learn Exhibit

EX1016-Hart, et al. A Perceptual Study of Intonation, Press Syndicate Exhibit

EX1006-U.S. Patent Application Publication No. 2022/0417659 to Narayanan Exhibit

EX1011-Kamruzzaman, et al. Speaker Identification using MFCC-Domain Support Exhibit

EX1015-Ivan Chow and Steven Brown, A Musical Approach to Speech Melody Exhibit

Krisp Technologies, Inc.

Sanas.AI, Inc.