Also listed on MSC.Software Corporation, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Mar 29, 2034 · High confidence
20-year base term ends May 23, 2032
Held by D&E US Parent LLC
Filed May 23, 2012 as application 13/479,211 · Granted Jun 25, 2019
Base term plus 675 days of patent term adjustment (USPTO delay)
Today
2012
2034
Clock starts
May 23, 2012
May 23, 2012
Term ends
Mar 29, 2034
Mar 29, 2034
Granted
Jun 25, 2019
Jun 25, 2019
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
675
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 675 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 May 23, 2012, when this application, 13/479,211, was filed | May 23, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +675 days, USPTO patent term adjustment record | Mar 29, 2034 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 29, 2034 | 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 |
|---|---|---|---|
| Jun 5, 2012 Reel 28323, frame 23 | Kanthasamy, Kunaseelan; Hunt, Herbert Dennis | MSC.Software Corporation | Assignment of Assignor's Interest |
| Aug 15, 2012 Reel 28794, frame 786 | MSC.Software Corporation | Wells Fargo Capital Finance, LLC, as Agent | Amendment Number One to Patent Security Agreement |
| May 29, 2014 Reel 33056, frame 446 | MSC.Software Corporation | Jefferies Finance LLC | Security Interest |
| Jun 17, 2014 Reel 33187, frame 166 | Wells Fargo Capital Finance, LLC | MSC.Software Corporation | Release of Security Interest |
| Apr 25, 2017 Reel 42138, frame 327 | Jefferies Finance LLC | MSC.Software Corporation | Release of Security Interest |
| Jan 21, 2022 Reel 58731, frame 413 | MSC.Software Corporation; Hexagon Manufacturing Intelligence, Inc. | Hexagon Manufacturing Intelligence, Inc. | Merger and Change of Name |
| Mar 13, 2026 Reel 75080, frame 469 | Hexagon Manufacturing Intelligence, Inc. | D&E US Parent LLC | Registered Intellectuall Property Rights Assignment - Patents |
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.
What's changing
Mar 2034
Term ends Mar 29, 2034. Maintenance fees still fall due before then
Note
The 675 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is above the median of utility patents granted in 2019 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.