C-STEM Trademark

Trademark Overview


On Friday, May 15, 2020, a trademark application was filed for C-STEM with the United States Patent and Trademark Office. The USPTO has given the C-STEM trademark a serial number of 88918427. The federal status of this trademark filing is REGISTERED as of Tuesday, February 25, 2025. This trademark is owned by TREEFROG THERAPEUTICS. The C-STEM trademark is filed in the Pharmaceutical Products, Computer & Software Products & Electrical & Scientific Products, and Medical Instrument Products categories with the following description:

Apparatus for the regeneration of stem cells for laboratory or scientific purposes; Scientific apparatus, namely, cytometers and biomimetic 3D culture systems composed of cell culture dishes for cell culture systems; Cultured cell scientific apparatus, namely, laboratory pipettes and capsules for analysis and sorting of cell cultures; Bioreactor for cell culturing; Cultured cell observing apparatus, namely, microscopes for cell culture; Cell culture incubators for laboratory use; Cell culture apparatus for laboratory use, namely, cell culture dishes and tissue culture flaks; Downloadable software used for the collection, analysis, sorting, communication of biological information relating to stem cells

Stem cells for medical or veterinary purposes; Pluripotent stem cells for medical or veterinary use for cell and gene therapies; Cell culture media for cultivating human and animal cells for medical or veterinary use; Surgical implants comprised of living tissues obtained from stem cells

Apparatus for the regeneration of stem cells for medical purposes
c-stem

General Information


Serial Number88918427
Word MarkC-STEM
Filing DateFriday, May 15, 2020
Status700 - REGISTERED
Status DateTuesday, February 25, 2025
Registration Number7700171
Registration DateTuesday, February 25, 2025
Mark Drawing5 - Drawing with word(s) / letter(s) / number(s) in Stylized form
Published for Opposition DateTuesday, June 20, 2023

Trademark Statements


Description of MarkThe mark consists of the wording "C-STEM" in stylized green font, with the hyphen formed by two connected green circles of unequal size. The color white represents background and is not part of the mark.
Goods and ServicesApparatus for the regeneration of stem cells for laboratory or scientific purposes; Scientific apparatus, namely, cytometers and biomimetic 3D culture systems composed of cell culture dishes for cell culture systems; Cultured cell scientific apparatus, namely, laboratory pipettes and capsules for analysis and sorting of cell cultures; Bioreactor for cell culturing; Cultured cell observing apparatus, namely, microscopes for cell culture; Cell culture incubators for laboratory use; Cell culture apparatus for laboratory use, namely, cell culture dishes and tissue culture flaks; Downloadable software used for the collection, analysis, sorting, communication of biological information relating to stem cells
Goods and ServicesStem cells for medical or veterinary purposes; Pluripotent stem cells for medical or veterinary use for cell and gene therapies; Cell culture media for cultivating human and animal cells for medical or veterinary use; Surgical implants comprised of living tissues obtained from stem cells
Indication of Colors claimedThe color(s) green is/are claimed as a feature of the mark.
Goods and ServicesApparatus for the regeneration of stem cells for medical purposes

Classification Information


International Class005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.
US Class Codes005, 006, 018, 044, 046, 051, 052
Class Status Code6 - Active
Class Status DateSaturday, May 6, 2023
Primary Code005
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus.
US Class Codes021, 023, 026, 036, 038
Class Status Code6 - Active
Class Status DateSaturday, May 30, 2020
Primary Code009
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

International Class010 - Surgical, medical, dental, and veterinary apparatus and instruments, artificial limbs, eyes, and teeth; orthopedic articles; suture materials.
US Class Codes026, 039, 044
Class Status Code6 - Active
Class Status DateMonday, January 1, 0001
Primary Code010
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

Trademark Owner History


Party NameTREEFROG THERAPEUTICS
Party Type30 - Original Registrant
Legal Entity Type99 - Other
Address33600 PESSAC -
FR

Party NameTREEFROG THERAPEUTICS
Party Type20 - Owner at Publication
Legal Entity Type99 - Other
Address33600 PESSAC -
FR

Party NameTREEFROG THERAPEUTICS
Party Type10 - Original Applicant
Legal Entity Type99 - Other
Address33600 PESSAC -
FR

Trademark Events


Event DateEvent Description
Tuesday, May 19, 2020NEW APPLICATION ENTERED
Saturday, May 30, 2020NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Friday, July 31, 2020TEAS VOLUNTARY AMENDMENT RECEIVED
Thursday, August 13, 2020ASSIGNED TO EXAMINER
Saturday, August 15, 2020NON-FINAL ACTION WRITTEN
Saturday, August 15, 2020NON-FINAL ACTION E-MAILED
Saturday, August 15, 2020NOTIFICATION OF NON-FINAL ACTION E-MAILED
Wednesday, December 23, 2020TEAS RESPONSE TO OFFICE ACTION RECEIVED
Monday, March 29, 2021ASSIGNED TO LIE
Thursday, April 1, 2021CORRESPONDENCE RECEIVED IN LAW OFFICE
Thursday, April 1, 2021TEAS/EMAIL CORRESPONDENCE ENTERED
Friday, April 2, 2021SUSPENSION LETTER WRITTEN
Friday, April 2, 2021LETTER OF SUSPENSION E-MAILED
Friday, April 2, 2021NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
Monday, October 18, 2021SUSPENSION CHECKED - TO ATTORNEY FOR ACTION
Sunday, November 14, 2021SUSPENSION INQUIRY WRITTEN
Sunday, November 14, 2021INQUIRY TO SUSPENSION E-MAILED
Sunday, November 14, 2021NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
Wednesday, November 24, 2021TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
Tuesday, November 30, 2021CORRESPONDENCE RECEIVED IN LAW OFFICE
Tuesday, November 30, 2021TEAS/EMAIL CORRESPONDENCE ENTERED
Tuesday, November 30, 2021SUSPENSION LETTER WRITTEN
Tuesday, November 30, 2021LETTER OF SUSPENSION E-MAILED
Tuesday, November 30, 2021NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
Thursday, December 16, 2021TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, December 16, 2021ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Thursday, December 16, 2021TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
Thursday, December 16, 2021TEAS CHANGE OF CORRESPONDENCE RECEIVED
Monday, December 27, 2021TEAS CHANGE OF OWNER ADDRESS RECEIVED
Monday, December 27, 2021TEAS CHANGE OF CORRESPONDENCE RECEIVED
Monday, December 27, 2021APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Monday, May 30, 2022SUSPENSION INQUIRY WRITTEN
Monday, May 30, 2022INQUIRY TO SUSPENSION E-MAILED
Monday, May 30, 2022NOTIFICATION OF INQUIRY AS TO SUSPENSION E-MAILED
Tuesday, September 20, 2022TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
Wednesday, September 28, 2022ASSIGNED TO LIE
Wednesday, September 28, 2022CORRESPONDENCE RECEIVED IN LAW OFFICE
Wednesday, September 28, 2022TEAS/EMAIL CORRESPONDENCE ENTERED
Thursday, September 29, 2022SUSPENSION LETTER WRITTEN
Thursday, September 29, 2022LETTER OF SUSPENSION E-MAILED
Thursday, September 29, 2022NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
Tuesday, November 1, 2022TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
Tuesday, November 1, 2022CORRESPONDENCE RECEIVED IN LAW OFFICE
Wednesday, November 2, 2022TEAS/EMAIL CORRESPONDENCE ENTERED
Wednesday, November 9, 2022NON-FINAL ACTION WRITTEN
Wednesday, November 9, 2022NON-FINAL ACTION E-MAILED
Wednesday, November 9, 2022NOTIFICATION OF NON-FINAL ACTION E-MAILED
Saturday, May 6, 2023EXAMINERS AMENDMENT -WRITTEN
Saturday, May 6, 2023EXAMINERS AMENDMENT E-MAILED
Saturday, May 6, 2023NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Saturday, May 6, 2023EXAMINER'S AMENDMENT ENTERED
Monday, May 8, 2023APPROVED FOR PUB - PRINCIPAL REGISTER
Monday, May 15, 2023APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Monday, May 15, 2023LAW OFFICE PUBLICATION REVIEW COMPLETED
Tuesday, June 20, 2023PUBLISHED FOR OPPOSITION
Wednesday, May 31, 2023NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Tuesday, June 20, 2023OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Tuesday, August 15, 2023NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Thursday, February 15, 2024NOTICE OF ALLOWANCE CANCELLED
Thursday, January 18, 2024ASSIGNED TO EXAMINER
Tuesday, February 13, 2024TEAS DELETE 1(B) BASIS RECEIVED
Monday, June 10, 2024CASE ASSIGNED TO INTENT TO USE PARALEGAL
Friday, June 14, 20241(B) BASIS DELETED; PROCEED TO REGISTRATION
Tuesday, February 25, 2025REGISTERED-PRINCIPAL REGISTER
Tuesday, February 25, 2025NOTICE OF REGISTRATION CONFIRMATION EMAILED