TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
07/15/2026
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Official data from USPTO
GAMMA KNIFE
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
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
07/16/2026
Trademark type
Word
Nice classes
10
Filing date
05/01/1991
Registration date
10/13/1992
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/18/2023
Last transaction
07/16/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1968-00-00
First use in commerce
1987-01-00
Drawing code
1
Owner type
03
Owner location
Stockholm, SE
Examiner
LEVINE, HOWARD B
Law office
G30
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
ELEKTA AB (PUBL)
ELEKTA INSTRUMENT S.A.
ELEKTA INSTRUMENT S.A.
Representatives
Stephanie H. Bald Kelly IP, LLP
Technical classification
Nice Classes
Class 10
Vienna Codes
No Vienna codes available.
Goods and services
Class 10
neurosurgical medical equipment and devices; namelyradiation treatment medical apparatus used for stereotactic radiosurgery
Publications
History of USPTO decisions and trademark events.
42 publications found
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
07/15/2026
EWOR
TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
07/15/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/15/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/15/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
07/15/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
07/15/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/19/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/19/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/19/2026
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
04/18/2023
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
04/18/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/18/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/17/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
10/05/2022
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
10/13/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/16/2015
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/16/2015
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
10/16/2012
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
10/16/2012
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
10/16/2012
E89R
TEAS SECTION 8 & 9 RECEIVED
10/11/2012
CFIT
CASE FILE IN TICRS
03/12/2008
CORV
REVIEW OF CORRESPONDENCE COMPLETE
10/04/2006
PAPER RECEIVED
08/01/2005
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/28/2004
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
05/19/2003
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/19/2003
PR89
RESPONSE RECEIVED TO POST REG. ACTION - SEC. 8 & 9
04/11/2003
PAPER RECEIVED
04/11/2003
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
01/29/2003
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
10/10/2002
PAPER RECEIVED
10/10/2002
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
02/11/1999
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
10/07/1998
R.PR
REGISTERED-PRINCIPAL REGISTER
10/13/1992
PUBO
PUBLISHED FOR OPPOSITION
07/21/1992
NPUB
NOTICE OF PUBLICATION
06/19/1992
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
03/31/1992
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
02/20/1992
CNRT
NON-FINAL ACTION MAILED
09/03/1991
DOCK
ASSIGNED TO EXAMINER
08/08/1991
Continuous trademark protection
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