Also listed on MBLX LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jun 21, 2027 · High confidence
20-year base term ended Jul 28, 2024
Held by Meta Platforms, Inc.
Filed Jul 28, 2004 as application 10/900,657 · Granted Dec 1, 2009
Base term plus 1058 days of patent term adjustment (USPTO delay)
Today
2004
2027
Clock starts
Jul 28, 2004
Jul 28, 2004
Term ends
Jun 21, 2027
Jun 21, 2027
Granted
Dec 1, 2009
Dec 1, 2009
base term
patent term adjustment
fee events
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
1,058
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.
This patent's term runs 1058 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jul 28, 2004, when this application, 10/900,657, was filed | Jul 28, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1058 days, USPTO patent term adjustment record | Jun 21, 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 | Jun 21, 2027 | High confidence |
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 3, 2004 Reel 15337, frame 430 | By Court Order Signed by Judge on 04/28/2004, and Filed by the Clerk 05/07/2004, on Behalf of Phillip Y. Goldman A/K/A Phil Goldman (Deceased) | The Goldman Living Trust | Court Order |
| Nov 18, 2004 Reel 15391, frame 43 | Goldman Living Trust, The | Mailblocks, Inc. | Assignment of Assignor's Interest |
| Nov 22, 2004 Reel 15402, frame 164 | Logue, Jay; Heiner, Jeffrey | Mailblocks, Inc. | Assignment of Assignor's Interest |
| Jan 12, 2005 Reel 16164, frame 475 | Mailblocks, Inc. | MBLX LLC | Merger |
| Apr 7, 2005 Reel 16030, frame 888 | MBLX LLC | America Online, Inc. | Assignment of Assignor's Interest |
| Jul 20, 2009 Reel 22981, frame 266 | America Online, Inc. | AOL LLC | Change of Name |
| Dec 14, 2009 Reel 23649, frame 61 | AOL Inc.; AOL Advertising Inc.; Bebo, Inc.; Icq LLC; Going, Inc.; Lightningcast LLC; Mapquest, Inc.; Netscape Communications Corporation; Quigo Technologies LLC; Sphere Source, Inc.; Tacoda LLC; Truveo, Inc.; Yedda, Inc. | Bank of American, N.A. as Collateral Agent | Security Agreement |
| Jan 14, 2010 Reel 23790, frame 1 | AOL LLC | AOL Inc. | Assignment of Assignor's Interest |
| Nov 16, 2010 Reel 25323, frame 416 | Bank Of America, N A | AOL Inc.; AOL Advertising Inc.; Going Inc.; Lightningcast LLC; Mapquest, Inc.; Netscape Communications Corporation; Quigo Technologies LLC; Sphere Source, Inc.; Tacoda LLC; Truveo, Inc.; Yedda, Inc. | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | AOL Inc. | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | AOL Advertising Inc. | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Going Inc. | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Lightningcast LLC | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Mapquest, Inc. | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Netscape Communications Corporation | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Quigo Technologies LLC | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Sphere Source, Inc. | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Tacoda LLC | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Truveo, Inc. | Termination and Release of Security Interest in Patent Rights |
| Nov 16, 2010 reel/frame not recorded | Bank Of America, N A | Yedda, Inc. | Termination and Release of Security Interest in Patent Rights |
| Jul 3, 2012 Reel 28487, frame 466 | AOL Inc. | Facebook, Inc. | Assignment of Assignor's Interest |
| Dec 20, 2021 Reel 58961, frame 436 | Facebook, Inc. | Meta Platforms, Inc. | Change of Name |
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
Jun 2027
Term ends Jun 21, 2027. No further fees fall due before then
Note
The 1058 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2009 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.