Term ends Dec 1, 2027 · Medium confidence

Computed 20-year base term

Why Medium: A parent in the chain could not be resolved.

Held by OSRAM OLED GmbH

Filed Nov 5, 2012 as application 13/669,222 · Granted Feb 3, 2015

Base term plus 66 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Dec 1, 2027

2007 2027

Clock starts
Sep 26, 2007

Term ends
Dec 1, 2027

Granted
Feb 3, 2015

base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Days of term adjustment

Read from the USPTO patent term adjustment record, not recalculated here.

None

Terminal disclaimer

No disclaimer on this record.

3 of 3

Maintenance fees paid

Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.

Family applications on record here

Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 66 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.

Step	Input	Date after this step	Confidence
Base term, 20 years from filing	Clock starts Sep 26, 2007, when application PCT/DE2007/001744, the earliest non-provisional in its chain, was filed (this one was filed Nov 5, 2012); a parent in its chain could not be resolved (the next row)	Sep 26, 2027	High confidence
Continuity chain	A parent in the chain could not be resolved	dated from this application's own claim	Medium confidence
Patent term adjustment	+66 days, USPTO patent term adjustment record	Dec 1, 2027	High confidence
Terminal disclaimer cap	None on record	no cap applied	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	3 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Dec 1, 2027	Medium confidence

This family

US 8,328,375	In force Jun 2029	Jun 2029
US 8,946,986	this patent Dec 2027	Dec 2027
US 9,312,308	In force Sep 2027	Sep 2027
US 9,829,192	In force Sep 2027	Sep 2027
US 10,267,507	In force Sep 2027	Sep 2027

5 of 6 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.

Recorded	Assignor	Assignee	Conveyance
Nov 5, 2012 reel/frame not recorded	Diekmann, Karsten; Custodis, Udo; Lechermann, Georg; Klein, Markus; Plumeyer, Carsten; Reithmeier, Michael; Lang, Dieter; Chipalkatti, Makarand; Heuser, Karsten; Seymour, Diane; Poplavskyy, Dmytro	OSRAM Opto Semiconductors GmbH	Assignment of Assignor's Interest
Nov 5, 2012 reel/frame not recorded	Diekmann, Karsten; Custodis, Udo; Lechermann, Georg; Klein, Markus; Plumeyer, Carsten; Reithmeier, Michael; Lang, Dieter; Chipalkatti, Makarand; Heuser, Karsten; Seymour, Diane; Poplavskyy, Dmytro	OSRAM Sylvania Inc.	Assignment of Assignor's Interest
Nov 5, 2012 Reel 29243, frame 112	Diekmann, Karsten; Heuser, Karsten; Klein, Markus; Lang, Dieter; Lechermann, Georg; Reithmeier, Michael; Plumeyer, Carsten; Chipalkatti, Makarand; Custodis, Udo; Seymour, Diane; Poplavskyy, Dmytro	OSRAM Opto Semiconductors GmbH; OSRAM Sylvania Inc.	Assignment of Assignor's Interest
Jan 21, 2016 Reel 37567, frame 993	OSRAM Opto Semiconductors GmbH	OSRAM OLED GmbH	Assignment of Assignor's Interest
May 24, 2016 reel/frame not recorded	Weitzel, Reinhard	OSRAM Opto Semiconductors GmbH	Assignment of Assignor's Interest
May 24, 2016 reel/frame not recorded	Weitzel, Reinhard	OSRAM Sylvania Inc.	Assignment of Assignor's Interest
May 24, 2016 Reel 38701, frame 129	Weitzel, Reinhard	OSRAM Opto Semiconductors GmbH; OSRAM Sylvania Inc.	Assignment of Assignor's Interest
Aug 11, 2020 Reel 53464, frame 374	OSRAM OLED GmbH	Dolya Holdco 5 Limited	Assignment of Assignor's Interest
Aug 11, 2020 Reel 53464, frame 395	Dolya Holdco 5 Limited	Pictiva Displays International Limited	Corrective Assignment to Correct the 11/658.772 Replaced 11/658.772 Property Numbers Previously Recorded at Reel: 053464 Frame: 0395. Assignor(S) Hereby Confirms the Assignment.
Sep 21, 2021 Reel 57547, frame 956	OSRAM Sylvania Inc.	OSRAM OLED GmbH	Assignment of Assignor's Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

What's changing

Dec 2027

Term ends Dec 1, 2027. No further fees fall due before then

Note

The 66 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is above the median of utility patents granted in 2015 in our data, the only group it is compared against. How we rank

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.

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