145 patents currently held
6 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.
The next term ends in Feb 2042. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Feb 2042
Next term end
114
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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
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 Aug 2042 · High confidence
Also notable
Ends Aug 2042 · High confidence
Also notable
Ends Feb 2042 · High confidence
Method and Apparatus for Reduced Capability Terminal to Determine Intra-Frequency Cell Reselection Parameter in Mobile Wireless Communication System
US 11,582,657
The most cited patent in this portfolio, cited by 4 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2042.
Method and Apparatus for Reduced Capability Terminal to Determine Intra-Frequency Cell Reselection Parameter via System Information Block 1 in Mobile Wireless Communication System
US 11,582,658
Cited by 3 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2042.
Method and Apparatus for secondary base station change in mobile wireless communication system
US 11,638,184
The newest of the three, granted 2023. It anchors the portfolio to 2042, later than anything else here.
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.
- 2 fees due Apr 24, 2027
- 7 fees due May 7 to 28, 2027 · next May 7
- 7 fees due Jul 2 to 30, 2027 · next Jul 2
- 3 fees due Aug 6 to 20, 2027 · next Aug 6
- 2 fees due Sep 26, 2027
- 2 fees due Oct 16 to 23, 2027 · next Oct 16
- 1 fee due Nov 14, 2027The maintenance fee for Method and Apparatus for Requesting Positioning Assistance Data and Reporting Positioning Measurement Results in Mobile Wireless Communication System (US 11,985,623) comes due Nov 14, 2027. Unpaid by May 15, 2028, it lapses early.
Recent changes
- Nov 12Assignment recorded on 19 records: Kim, Soenghun and 1 other to Blackpin Inc. Recorded Nov 12, 2026, executed Jul 29, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76738, frame 146.
- Oct 14Assignment recorded on 4 records: Kim, Soenghun to Blackpin, Inc. Recorded Oct 14, 2026, executed Sep 28, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76373, frame 623.
- 15 of the patents on this record were granted since Aug 17, 2026
What they patent
The 5 largest of its 114 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,638,184 | Method and Apparatus for secondary base station change in mobile wireless communication system In force · High confidence | In force | High confidence | |
| US 11,832,135 | Method and Apparatus for secondary base station change in mobile wireless communication system In force · High confidence | In force | High confidence | |
| US 12,058,572 | Method and Apparatus for Secondary Base Station Change in Mobile Wireless Communication System In force · Medium confidence | In force | Medium confidence | |
| US 12,120,563 | Method and Apparatus for secondary base station change in mobile wireless communication system In force · High confidence | In force | High confidence | |
| US 12,185,414 | Method and Apparatus for reporting buffer status report by RRC_INACTIVE state UE in mobile wireless communication system In force · High confidence | In force | High confidence | |
| US 12,238,593 | Method and Apparatus for secondary base station change in mobile wireless communication system In force · High confidence | In force | High confidence | |
| US 11,882,616 | Method and Apparatus for controlling plurality of timers and plurality of bearers for RRC connection resumption and data transfer in mobile wireless communication system In force · High confidence | In force | High confidence | |
| US 12,402,201 | Method and Apparatus for Controlling Plurality of Timers and Plurality of Bearers for RRC Connection Resumption and Data Transfer in Mobile Wireless Communication System In force · High confidence | In force | High confidence | |
| US 11,910,246 | Method and Device for Changing Secondary Base Station in Wireless Mobile Communication System held by Blackpin Inc. and Kim, Soenghun In force · High confidence | In force | High confidence | |
| US 12,231,965 | Method and Device for Changing Secondary Base Station in Wireless Mobile Communication System held by Blackpin Inc. and Kim, Soenghun In force · High confidence | In force | High confidence |
Also on record, not counted in the 145: 6 patents in force now held by others · 185 applications pending · 1 application 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.