The Patent Finder
US

Organic Lighting Device and Lighting Equipment

US 8,328,375 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 9, 2029 · High confidence

Filed Jan 11, 2010 as application 12/443,672 · Granted Dec 11, 2012
Base term plus 622 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2029
Clock starts
Sep 26, 2007
Term ends
Jun 9, 2029
Granted
Dec 11, 2012
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
622
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.
6
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 622 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Sep 26, 2007, when application PCT/DE2007/001744, the earliest non-provisional in its chain, was filed (this one was filed Jan 11, 2010)Sep 26, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+622 days, USPTO patent term adjustment recordJun 9, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 9, 2029High confidence

This family

US 8,328,375this patent
Jun 2029
Jun 2029
US 8,946,986In force
Dec 2027
Dec 2027
US 9,312,308In force
Sep 2027
Sep 2027
US 9,829,192In force
Sep 2027
Sep 2027
US 10,267,507In 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.
RecordedAssignorAssigneeConveyance
Jan 12, 2010
Reel 23763, frame 712
Diekmann, Karsten; Heuser, Karsten; Klein, Markus; Lang, Dieter; Lechermann, Georg; Reithmeier, Michael; Plumeyer, Carsten; Chipalkatti, Makarand; Custodis, Udo; Seymour, Diane; Poplavskyy, DmytroOSRAM Opto Semiconductors GmbHAssignment of Assignor's Interest
Jan 21, 2010
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, DmytroOSRAM Opto Semiconductors GmbHCorrective Assignment to Correct the Add the Second Assignee Osram Sylvania Inc. Previously Recorded on Reel 023763 Frame 0712. Assignor(S) Hereby Confirms the Assignment.
Jan 21, 2010
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, DmytroOSRAM Sylvania Inc.Corrective Assignment to Correct the Add the Second Assignee Osram Sylvania Inc. Previously Recorded on Reel 023763 Frame 0712. Assignor(S) Hereby Confirms the Assignment.
Jan 21, 2010
Reel 23826, frame 828
Diekmann, Karsten; Heuser, Karsten; Klein, Markus; Lang, Dieter; Lechermann, Georg; Reithmeier, Michael; Plumeyer, Carsten; Chipalkatti, Makarand; Custodis, Udo; Seymour, Diane; Poplavskyy, DmytroOSRAM Opto Semiconductors GmbH; OSRAM Sylvania Inc.Corrective Assignment to Correct the Add the Second Assignee Osram Sylvania Inc. Previously Recorded on Reel 023763 Frame 0712. Assignor(S) Hereby Confirms the Assignment.
Jan 21, 2016
Reel 37567, frame 993
OSRAM Opto Semiconductors GmbHOSRAM OLED GmbHAssignment of Assignor's Interest
May 24, 2016
reel/frame not recorded
Weitzel, ReinhardOSRAM Opto Semiconductors GmbHAssignment of Assignor's Interest
May 24, 2016
reel/frame not recorded
Weitzel, ReinhardOSRAM Sylvania Inc.Assignment of Assignor's Interest
May 24, 2016
Reel 38701, frame 129
Weitzel, ReinhardOSRAM Opto Semiconductors GmbH; OSRAM Sylvania Inc.Assignment of Assignor's Interest
Aug 11, 2020
Reel 53464, frame 374
OSRAM OLED GmbHDolya Holdco 5 LimitedAssignment of Assignor's Interest
Aug 11, 2020
Reel 53464, frame 395
Dolya Holdco 5 LimitedPictiva Displays International LimitedCorrective 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 GmbHAssignment 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited