TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/04/2026
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Official data from USPTO
DISTRIBUTED ECHO CANCELLATION
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
DISTRIBUTED ECHO CANCELLATION
ST13
US500000075272284Class
9
Filing
75272284
Registration
2347748
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
42
Latest update
02/06/2026
Trademark type
Word
Nice classes
9
Filing date
04/10/1997
Registration date
05/02/2000
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
11/04/2020
Last transaction
02/06/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Supplemental Register
Filing basis
Intent to use
First use anywhere
1998-03-00
First use in commerce
1998-03-00
Drawing code
1
Owner type
16
Owner location
BEAVERTON, OR
Examiner
MOORHEAD CORA ANN
Law office
L20
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
BIAMP SYSTEMS, LLC
CLEARONE, INC.
CLEARONE COMMUNICATIONS, INC.
G. C. (pessoa física)
Representatives
Anne E. Naffziger Leydig, Voit & Mayer, Ltd.
Technical classification
Nice Classes
Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
technology for audioconferencing systems comprising digital signal processors and computer software therefor
Publications
History of USPTO decisions and trademark events.
42 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/04/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/04/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/04/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/04/2026
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/21/2026
WOAG
WITHDRAWAL OF ATTORNEY GRANTED
12/01/2025
WOAR
TEAS WITHDRAWAL OF ATTORNEY RECEIVED
12/01/2025
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/02/2024
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
11/04/2020
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
11/04/2020
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
11/04/2020
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
11/04/2020
E89R
TEAS SECTION 8 & 9 RECEIVED
09/16/2020
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
05/02/2019
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
04/10/2013
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
04/12/2010
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/12/2010
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/12/2010
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/09/2010
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/09/2010
E89R
TEAS SECTION 8 & 9 RECEIVED
04/09/2010
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
07/20/2006
8.AF
REGISTERED - SEC. 8 (6-YR) FILED
04/19/2006
PAPER RECEIVED
04/19/2006
CFIT
CASE FILE IN TICRS
04/06/2006
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/26/2004
R.SR
REGISTERED-SUPPLEMENTAL REGISTER
05/02/2000
CNSR
ALLOWED SUPPLEMENTAL REGISTER - SOU ACCEPTED
01/09/2000
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/06/1999
CNRT
NON-FINAL ACTION MAILED
05/13/1999
DOCK
ASSIGNED TO EXAMINER
05/08/1999
SUPC
STATEMENT OF USE PROCESSING COMPLETE
04/30/1999
IUAF
USE AMENDMENT FILED
04/05/1999
EX1G
SOU EXTENSION 1 GRANTED
10/19/1998
EXT1
SOU EXTENSION 1 FILED
10/02/1998
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
04/07/1998
PUBO
PUBLISHED FOR OPPOSITION
01/13/1998
NPUB
NOTICE OF PUBLICATION
12/12/1997
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
11/13/1997
CNEA
EXAMINER'S AMENDMENT MAILED
11/12/1997
DOCK
ASSIGNED TO EXAMINER
11/07/1997
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