5 patents currently held
357 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.
4 more records may belong here and await a decision; they are not counted.
The next term ends in Dec 2027. from the record
Of the 357 now held by other companies, 301 name Corning Optical Communications LLC as their current owner, and 56 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
3
Ending by 2030
Dec 2027
Next term end
5
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Dec 2027 · Medium confidence
Also notable
Ends Jun 2033 · High confidence
Also notable
Ends Dec 2029 · Medium confidence
Fiber Optic Cables Having Coupling and Methods Therefor
US 8,175,433
The most cited patent in this portfolio, cited by 107 later US patents, top 10% of utility patents granted in 2012 in our data. Protection runs to 2027.
Optical Connector with Adhesive Material
US 9,588,303
Cited by 15 later US patents, top 25% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2033. A terminal disclaimer caps this term to an earlier patent's.
Cable Stranding Apparatus Employing a Hollow-Shaft Guide Member Driver
US 9,845,573
The largest patent family in this portfolio, 8 related applications, renewed at every maintenance window due so far. Protection runs to 2029. A terminal disclaimer caps this term to an earlier patent's.
Formerly held, still cited
Notable
Ends Nov 2028 · Medium confidence
Cited by 102 later US patents, top 5% of utility patents granted in 2018 in our data, and renewed at every maintenance window due so far. Protection runs to 2028.
now held by Corning Optical Communications LLC
Also notable
Ends Dec 2031 · High confidence
Cited by 171 later US patents, top 5% of utility patents granted in 2015 in our data, and renewed at every maintenance window due so far. Protection runs to 2031.
now held by Corning Optical Communications LLC
Also notable
Ends Oct 2034 · High confidence
Cited by 152 later US patents, top 5% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.
now held by Corning Optical Communications LLC
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Oct 26, 2027The maintenance fee for Fiber Optic Terminal Having Adapter Panel Supporting Both Input and Output Fibers from an Optical Splitter (US 9,323,020) comes due Oct 26, 2027. Unpaid by Apr 26, 2028, it lapses early.
Recent changes
- 12 terms have ended since Aug 16, 2026
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Optical Connector with Adhesive Material | 1 in force | to Jun 2033 |
| Fiber Optic Interface Devices for Electronic Devices | 1 in force | to May 2032 |
| Cable Stranding Apparatus Employing a Hollow-Shaft Guide Member Driver | 1 in force | to Dec 2029 |
| Fiber Optic Terminal Having Adapter Panel Supporting Both Input and Output Fibers from an Optical Splitter | 1 in force | to Oct 2028 |
| Fiber Optic Cables Having Coupling and Methods Therefor | 1 in force | to Dec 2027 |
Patents held now
Soonest term end first.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,175,433 | Fiber Optic Cables Having Coupling and Methods Therefor In force · Medium confidence | In force | Medium confidence | |
| US 9,323,020 | Fiber Optic Terminal Having Adapter Panel Supporting Both Input and Output Fibers from an Optical Splitter In force · High confidence | In force | High confidence | |
| US 9,845,573 | Cable Stranding Apparatus Employing a Hollow-Shaft Guide Member Driver In force · Medium confidence | In force | Medium confidence | |
| US 8,727,637 | Fiber Optic Interface Devices for Electronic Devices In force · High confidence | In force | High confidence | |
| US 9,588,303 | Optical Connector with Adhesive Material In force · High confidence | In force | High confidence |
Also on record, not counted in the 5: 357 patents in force now held by others · 439 patents ended · 208 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.