0 patents currently held, every record listed here
5 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
This portfolio holds none of the 5 US patents in force on its record. from the record
Of the 5 now held by other companies, 2 were conveyed to Carl Zeiss SMT GmbH in the filing they arrived in, and 3 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end
When these terms end
Each bar runs from grant to computed term end. 2016 to 2044.
US 9,494,718
Mirror for the Euv Wavelength Range, Substrate for Such a Mirror, Projection Objective for Microlithography Comprising Such a Mirror or Such a Substrate, and Projection Exposure Apparatus for Microlithography Comprising Such a Projection Objective
Aug 24, 2033
US 10,429,731
Method and Device for Generating a Reference Image in the Characterization of a Mask for Microlithography
Dec 27, 2037
US 10,599,936
Method for Correcting the Distortion of a First Imaging Optical Unit of a First Measurement System
Sep 12, 2038
US 12,440,177
Computed Tomography Device and Method for Executing Translation Movements of Gantry Parts of a Computed Tomography Device
Jan 27, 2044
20222028203420402044
17 pending applications: term is not computable until grant.Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
None of the currently held patents qualifies as notable.
Formerly held, still cited
Notable
Ends Aug 2033 · High confidence
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033.
now held by Carl Zeiss SMT GmbH
Also notable
Ends Jun 2038 · High confidence
The newest of the three, granted 2022. It anchors the portfolio to 2038, later than anything else here.
now held by Siemens Mobility GmbH
Also notable
Ends Dec 2037 · High confidence
Granted 2019. Computed term ends 2037.
conveyed to Carl Zeiss SMT GmbH
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first.
Also on record: 5 patents in force now held by others · 2 patents ended · 17 applications pending · 4 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.