Two patents currently held, every record listed here
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1 more record may belong here and awaits a decision; it is not counted.
The next term ends in Mar 2031. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Mar 2031
Next term end
2
Patent families
When these terms end
Each bar runs from grant to computed term end. 2013 to 2031.
US 8,548,835
Modeling Tool for Determining an Organization's Supply Chain Emissions Footprint
Mar 18, 2031
US 8,504,306
Graphical Technique for Visualizing Effects of Environmental Emission Reductions
Jul 16, 2031
20172021202520292031
Every computed term in this portfolio is shown above.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 patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.
Notable
Ends Jul 2031 · High confidence
Also notable
Ends Mar 2031 · High confidence
Graphical Technique for Visualizing Effects of Environmental Emission Reductions
US 8,504,306
Renewed at every maintenance window since the 2013 grant; no more fees are due before its term ends in 2031.
Modeling Tool for Determining an Organization's Supply Chain Emissions Footprint
US 8,548,835
Renewed at every maintenance window since the 2013 grant; no more fees are due before its term ends in 2031.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,548,835 | Modeling Tool for Determining an Organization's Supply Chain Emissions Footprint In force (reinstated) · High confidence | In force (reinstated) | High confidence | |
| US 8,504,306 | Graphical Technique for Visualizing Effects of Environmental Emission Reductions In force (reinstated) · High confidence | In force (reinstated) | High confidence |
Also on record, not counted in the 2: 13 patents ended · 9 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.