The Patent Finder
EM

Embolitech, LLC

First filing 2003
OverviewNotableFeesChangesPatent listSources & methods

0 patents currently held, every record listed here

4 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.

This portfolio holds none of the 4 US patents in force on its record. from the record

Of the 4 now held by other companies, 3 name Endologix LLC as their current owner, and 1 more name another party. Each row says which.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end

When these terms end

Each bar runs from grant to computed term end. 2015 to 2031.
US 9,943,397 Intravascular Guidewire Filter System for Pulmonary Embolism Protection and Embolism Removal or Maceration Oct 27, 2028
US 10,806,559 Intravascular Guidewire Filter System for Pulmonary Embolism Protection and Embolism Removal or Maceration Jun 18, 2029
US 9,827,084 Intravascular Guidewire Filter System for Pulmonary Embolism Protection and Embolism Removal or Maceration May 6, 2031
US 9,149,609 Catheter for removal of an organized embolic thrombus Aug 6, 2031
201820212024202720302031
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
None of the currently held patents qualifies as notable.

Formerly held, still cited

Notable
Cited by 327 later US patents, top 1% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2031.
now held by Endologix, LLC
Ends May 2031 · High confidence
Also notable
The most cited patent in this portfolio, cited by 353 later US patents, top 1% of utility patents granted in 2015 in our data. Protection runs to 2031.
now held by Surmodics MD, LLC
Ends Aug 2031 · High confidence

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.
Also on record: 4 patents in force now held by others · 1 patent ended. 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.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited