Home ›
Trademark Categories ›
Electronics & Software ›
2001 ›
CE ›
CELL OBSERVER
Trademark search for:
CELL OBSERVER
No active United States Patent and Trademark Office (USPTO) registrations found, based on publicly available USPTO trademark records.
Trademark records may change over time.
For the most up-to-date trademark status, domain availability,
and social handle checks, run a live search.
Check latest trademark, domains & social handles
Live search · Most up-to-date results
USPTO Filing History
Key events recorded for this trademark application
2001-06-09 — Application filed
2001-08-24 — Assigned to examiner
2001-09-10 — Final disposition recorded
2002-03-11 — Paper received
2002-03-11 — Correspondence received in law office
2002-05-14 — Assigned to examiner
2002-05-24 — Assigned to examiner
2002-06-05 — Assigned to examiner
2002-06-05 — Letter of suspension mailed
2002-11-18 — Paper received
2002-11-18 — Correspondence received in law office
2002-12-20 — Sec. 1(b) claim deleted
2003-01-02 — Approved for pub - principal register
2003-02-05 — Notice of publication
2003-02-25 — Published for opposition
2003-05-20 — Registered-principal register
2008-04-08 — Case file in ticrs
2009-05-04 — Paper received
2009-05-04 — Registered - sec. 8 (6-yr) & sec. 15 filed
2009-05-12 — Assigned to paralegal
2009-05-29 — Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
2013-04-10 — Teas section 8 & 9 received
2013-04-30 — Case assigned to post registration paralegal
2013-04-30 — Registered - sec. 8 (10-yr) accepted/sec. 9 granted
2013-04-30 — Registered and renewed (first renewal - 10 yrs)
2013-04-30 — Notice of acceptance of sec. 8 & 9 - e-mailed
2022-05-20 — Teas change of owner address received
2022-05-20 — Teas revoke/app/change addr of atty/dom rep received
2022-05-20 — Attorney/dom.rep.revoked and/or appointed
2022-05-20 — Teas withdrawal of attorney received-firm retains
2022-05-20 — Teas change of domestic representatives address
2022-05-20 — Teas change of correspondence received
2022-05-20 — Applicant/correspondence changes (non-responsive) entered
2022-05-20 — Teas change of owner address received
2022-05-20 — Teas revoke/app/change addr of atty/dom rep received
2022-05-20 — Attorney/dom.rep.revoked and/or appointed
2022-05-20 — Teas withdrawal of attorney received-firm retains
2022-05-20 — Teas change of domestic representatives address
2022-05-20 — Teas change of correspondence received
2022-05-20 — Applicant/correspondence changes (non-responsive) entered
2022-05-20 — Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
2022-06-18 — Teas change of owner address received
2022-06-18 — Teas revoke/app/change addr of atty/dom rep received
2022-06-18 — Attorney/dom.rep.revoked and/or appointed
2022-06-18 — Teas change of correspondence received
2022-06-18 — Applicant/correspondence changes (non-responsive) entered
2023-12-01 — Cancelled sec. 8 (10-yr)/expired section 9
2023-12-01 — Final status recorded
Owner Information
CARL ZEISS AG
Oberkochen DE
Carl-Zeiss-Stiftung
73446 Oberkochen DE
Carl-Zeiss-Stiftung
73446 Oberkochen DE
Carl-Zeiss-Stiftung
73446 Oberkochen DE
Correspondent
Ronald S. Kadden Leydig, Voit & Mayer, Ltd. 180 N. Stetson Ave. Suite 4900 Chicago, IL 60601-6745
Filing Details
Filing Date:
2001-06-09
Status Date:
2023-12-01
Disclaimer: This page is informational only and does not constitute legal advice.
Trademark availability depends on jurisdiction, usage, and legal interpretation.