Krisp Technologies, Inc. v. Sanas.AI, Inc. - IPR2026-00275

Explore the PTAB proceeding IPR2026-00275 filed by Krisp Technologies, Inc. against Sanas.AI, Inc. on Mar 18, 2026. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number: IPR2026-00275
Filing Date: Mar 18, 2026
Petitioner: Krisp Technologies, Inc.
Respondent: Sanas.AI, Inc.
Status: Pending
Respondent Application Number: 18083727
Respondent Tech Center: 2600
Respondent Patent Number: 11715457

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Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.

Show Exhibit Documents

Document Name	Filing Date	Category	Filing Party
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Patent Owner's Request for Discretionary Denial	May 26, 2026	PAPER	PATENT OWNER
Exhibit 2001	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2002	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2003	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2004	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2005	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2006	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2007	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2008	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2009	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2010	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2011	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2012	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2013	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2014	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2015	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2017	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2024	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2025	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2026	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2027	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2028	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2029	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2030	May 26, 2026	EXHIBIT	PATENT OWNER
Exhibit 2031	May 26, 2026	EXHIBIT	PATENT OWNER
Petitioner's Updated Exhibit List	Apr 24, 2026	PAPER	PETITIONER
EX1047-Petitioner's Stipulation	Apr 24, 2026	EXHIBIT	PETITIONER
Notice: Mandatory Notice	Apr 7, 2026	PAPER	PATENT OWNER
Notice: Power of Attorney	Apr 7, 2026	PAPER	PATENT OWNER
Notice filing date accorded	Mar 25, 2026	PAPER	BOARD
EX1001-U.S. Patent No. 11,715,457	Mar 18, 2026	EXHIBIT	PETITIONER
EX1002-Prosecution History of U.S. Patent No. 11,715,457	Mar 18, 2026	EXHIBIT	PETITIONER
EX1004-U.S. Patent Application Publication No. 2020/0193971 to Feinauer	Mar 18, 2026	EXHIBIT	PETITIONER
EX1005-U.S. Patent No. 12,106,749 to Prabhavalkar et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1006-U.S. Patent Application Publication No. 2023/0223006 to Fan et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1007-U.S. Patent Application Publication No. 2019/0325861 to Singh et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1008-Accentron: Foreign Accent Conversion to Arbitrary Non-Native Speaker	Mar 18, 2026	EXHIBIT	PETITIONER
EX1009-U.S. Patent No. 11,164,592 to Wu et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1010-U.S. Patent Application Publication No. 2008/0219459 to Bongiovi	Mar 18, 2026	EXHIBIT	PETITIONER
EX1011-G. Zhao et. al, Using Phonetic Posteriorgram Based Frame Pairing	Mar 18, 2026	EXHIBIT	PETITIONER
EX1012-Improving the Speaker Identity of Non-Parallel Many-to-Many Voice	Mar 18, 2026	EXHIBIT	PETITIONER
EX1013-Priority Chinese Patent Publication No. 202010996501 to Fan et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1014-Excerpts of the Prosecution History for the U.S. Patent Application	Mar 18, 2026	EXHIBIT	PETITIONER
EX1015-Priority PCT 2022/057759 to Fan et al. and Certified English	Mar 18, 2026	EXHIBIT	PETITIONER
EX1017-U.S. Patent No. 11,138,334 to Garrod et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1018-U.S. Patent Application Publication No. 2013/0246064 to Wasserblat	Mar 18, 2026	EXHIBIT	PETITIONER
EX1019-US Patent Application Publication No 20210272571 to Balasubramaniam	Mar 18, 2026	EXHIBIT	PETITIONER
EX1020-U.S. Patent Application Publication No. 2020/0294492 to Sypniewski	Mar 18, 2026	EXHIBIT	PETITIONER
EX1021-C. Schmandt, Voice Communication with Computers	Mar 18, 2026	EXHIBIT	PETITIONER
EX1022-C. O’Callaghan, Pitch, (https://web.archive.org/web/20150930164248/h	Mar 18, 2026	EXHIBIT	PETITIONER
EX1023-B. Sisman et al., Group Sparse Representation with WaveNet Vocoder	Mar 18, 2026	EXHIBIT	PETITIONER
EX1024-J. Holmes, Speech Synthesis and Recognition, Second Edition	Mar 18, 2026	EXHIBIT	PETITIONER
EX1025-H. Fletcher, Loudness, Its Definition, Measurement and Calculation	Mar 18, 2026	EXHIBIT	PETITIONER
EX1026-S. Ding, Personal VAD: Speaker-Conditioned Voice Activity Detection,	Mar 18, 2026	EXHIBIT	PETITIONER
EX1027-C. Wiltshire, Chapter 13 English Sounds in Context	Mar 18, 2026	EXHIBIT	PETITIONER
EX1028-N. Kazanina, et al., Phonemes: Lexical access and beyond	Mar 18, 2026	EXHIBIT	PETITIONER
EX1029-D. Jurafsky et al., Speech and Language Processing, Chapter 27	Mar 18, 2026	EXHIBIT	PETITIONER
EX1030-L. Sun, Phonetic Posteriorgrams For Many-To-One Voice Conversion	Mar 18, 2026	EXHIBIT	PETITIONER
EX1031-X. Li, Deep Segmental Phonetic Posterior-grams Based Discovery	Mar 18, 2026	EXHIBIT	PETITIONER
EX1032-U.S. Patent Application Publication No. 2022/0122579 to Biadsy et al	Mar 18, 2026	EXHIBIT	PETITIONER
EX1033-U.S. Patent Publication No. 2018/0174595 to Dirac et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1034-L. Roberts, Understanding the Mel Spectrogram, (https://medium.com/a	Mar 18, 2026	EXHIBIT	PETITIONER
EX1035-N. Umeda, Consonant duration in American English	Mar 18, 2026	EXHIBIT	PETITIONER
EX1036-J. Shen, Natural TTS Synthesis By Conditioning Wavenet	Mar 18, 2026	EXHIBIT	PETITIONER
EX1037-U.S. Patent Appl. No. 2022/0246132 to Zhang et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1038-Y. Wang, Tacotron: Towards End-to End Speech Synthesis, arXiv	Mar 18, 2026	EXHIBIT	PETITIONER
EX1039-U.S. Patent Appl. No 2020/0134425 to Yoo et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1040-A. Tripathi et al, Adversarial Learning of Raw Speech Features	Mar 18, 2026	EXHIBIT	PETITIONER
EX1041-U.S. Patent No. 11,632,456 to Mevorah et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1042-WO Publ. No. 2021/207131 to Jin et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1043-U.S. Patent No. 11,132,997 to Pereira et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1044-U.S. Patent Appl. No. 2013/0282373 to Visser et al.	Mar 18, 2026	EXHIBIT	PETITIONER
EX1045-G. Zhao et. al, Converting Foreign Accent Speech Without a Reference	Mar 18, 2026	EXHIBIT	PETITIONER
EX1046-Mina Ching Internet Archive Declaration	Mar 18, 2026	EXHIBIT	PETITIONER
EX1003-Declaration of Chris Schmandt	Mar 18, 2026	EXHIBIT	PETITIONER
EX1016-Munford Librarian Declaration	Mar 18, 2026	EXHIBIT	PETITIONER
Petition for Inter Partes Review of U.S. Patent No. 11,715,457	Mar 18, 2026	PAPER	PETITIONER
Petitioner's Power of Attorney	Mar 18, 2026	PAPER	PETITIONER