IP Verse

Krisp Technologies, Inc. - IPR2026-00275

Explore the PTAB proceeding IPR2026-00275 filed by Krisp Technologies, 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.
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.

Document NameFiling DateCategoryFiling Party

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Notice filing date accorded

Mar 25, 2026PAPERBOARD

EX1001-U.S. Patent No. 11,715,457

Mar 18, 2026EXHIBITPETITIONER

EX1002-Prosecution History of U.S. Patent No. 11,715,457

Mar 18, 2026EXHIBITPETITIONER

EX1004-U.S. Patent Application Publication No. 2020/0193971 to Feinauer

Mar 18, 2026EXHIBITPETITIONER

EX1005-U.S. Patent No. 12,106,749 to Prabhavalkar et al.

Mar 18, 2026EXHIBITPETITIONER

EX1006-U.S. Patent Application Publication No. 2023/0223006 to Fan et al.

Mar 18, 2026EXHIBITPETITIONER

EX1007-U.S. Patent Application Publication No. 2019/0325861 to Singh et al.

Mar 18, 2026EXHIBITPETITIONER

EX1008-Accentron: Foreign Accent Conversion to Arbitrary Non-Native Speaker

Mar 18, 2026EXHIBITPETITIONER

EX1009-U.S. Patent No. 11,164,592 to Wu et al.

Mar 18, 2026EXHIBITPETITIONER

EX1010-U.S. Patent Application Publication No. 2008/0219459 to Bongiovi

Mar 18, 2026EXHIBITPETITIONER

EX1011-G. Zhao et. al, Using Phonetic Posteriorgram Based Frame Pairing

Mar 18, 2026EXHIBITPETITIONER

EX1012-Improving the Speaker Identity of Non-Parallel Many-to-Many Voice

Mar 18, 2026EXHIBITPETITIONER

EX1013-Priority Chinese Patent Publication No. 202010996501 to Fan et al.

Mar 18, 2026EXHIBITPETITIONER

EX1014-Excerpts of the Prosecution History for the U.S. Patent Application

Mar 18, 2026EXHIBITPETITIONER

EX1015-Priority PCT 2022/057759 to Fan et al. and Certified English

Mar 18, 2026EXHIBITPETITIONER

EX1017-U.S. Patent No. 11,138,334 to Garrod et al.

Mar 18, 2026EXHIBITPETITIONER

EX1018-U.S. Patent Application Publication No. 2013/0246064 to Wasserblat

Mar 18, 2026EXHIBITPETITIONER

EX1019-US Patent Application Publication No 20210272571 to Balasubramaniam

Mar 18, 2026EXHIBITPETITIONER

EX1020-U.S. Patent Application Publication No. 2020/0294492 to Sypniewski

Mar 18, 2026EXHIBITPETITIONER

EX1021-C. Schmandt, Voice Communication with Computers

Mar 18, 2026EXHIBITPETITIONER

EX1022-C. O’Callaghan, Pitch, (https://web.archive.org/web/20150930164248/h

Mar 18, 2026EXHIBITPETITIONER

EX1023-B. Sisman et al., Group Sparse Representation with WaveNet Vocoder

Mar 18, 2026EXHIBITPETITIONER

EX1024-J. Holmes, Speech Synthesis and Recognition, Second Edition

Mar 18, 2026EXHIBITPETITIONER

EX1025-H. Fletcher, Loudness, Its Definition, Measurement and Calculation

Mar 18, 2026EXHIBITPETITIONER

EX1026-S. Ding, Personal VAD: Speaker-Conditioned Voice Activity Detection,

Mar 18, 2026EXHIBITPETITIONER

EX1027-C. Wiltshire, Chapter 13 English Sounds in Context

Mar 18, 2026EXHIBITPETITIONER

EX1028-N. Kazanina, et al., Phonemes: Lexical access and beyond

Mar 18, 2026EXHIBITPETITIONER

EX1029-D. Jurafsky et al., Speech and Language Processing, Chapter 27

Mar 18, 2026EXHIBITPETITIONER

EX1030-L. Sun, Phonetic Posteriorgrams For Many-To-One Voice Conversion

Mar 18, 2026EXHIBITPETITIONER

EX1031-X. Li, Deep Segmental Phonetic Posterior-grams Based Discovery

Mar 18, 2026EXHIBITPETITIONER

EX1032-U.S. Patent Application Publication No. 2022/0122579 to Biadsy et al

Mar 18, 2026EXHIBITPETITIONER

EX1033-U.S. Patent Publication No. 2018/0174595 to Dirac et al.

Mar 18, 2026EXHIBITPETITIONER

EX1034-L. Roberts, Understanding the Mel Spectrogram, (https://medium.com/a

Mar 18, 2026EXHIBITPETITIONER

EX1035-N. Umeda, Consonant duration in American English

Mar 18, 2026EXHIBITPETITIONER

EX1036-J. Shen, Natural TTS Synthesis By Conditioning Wavenet

Mar 18, 2026EXHIBITPETITIONER

EX1037-U.S. Patent Appl. No. 2022/0246132 to Zhang et al.

Mar 18, 2026EXHIBITPETITIONER

EX1038-Y. Wang, Tacotron: Towards End-to End Speech Synthesis, arXiv

Mar 18, 2026EXHIBITPETITIONER

EX1039-U.S. Patent Appl. No 2020/0134425 to Yoo et al.

Mar 18, 2026EXHIBITPETITIONER

EX1040-A. Tripathi et al, Adversarial Learning of Raw Speech Features

Mar 18, 2026EXHIBITPETITIONER

EX1041-U.S. Patent No. 11,632,456 to Mevorah et al.

Mar 18, 2026EXHIBITPETITIONER

EX1042-WO Publ. No. 2021/207131 to Jin et al.

Mar 18, 2026EXHIBITPETITIONER

EX1043-U.S. Patent No. 11,132,997 to Pereira et al.

Mar 18, 2026EXHIBITPETITIONER

EX1044-U.S. Patent Appl. No. 2013/0282373 to Visser et al.

Mar 18, 2026EXHIBITPETITIONER

EX1045-G. Zhao et. al, Converting Foreign Accent Speech Without a Reference

Mar 18, 2026EXHIBITPETITIONER

EX1046-Mina Ching Internet Archive Declaration

Mar 18, 2026EXHIBITPETITIONER

EX1003-Declaration of Chris Schmandt

Mar 18, 2026EXHIBITPETITIONER

EX1016-Munford Librarian Declaration

Mar 18, 2026EXHIBITPETITIONER

Petition for Inter Partes Review of U.S. Patent No. 11,715,457

Mar 18, 2026PAPERPETITIONER

Petitioner's Power of Attorney

Mar 18, 2026PAPERPETITIONER