13 patents currently held

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

The next term ends in Oct 2029. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Oct 2029

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026202720282029 20302031203220332034 203520362037 20382039204020412042204320442045

notable patents all others 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: 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

Human Milk Compositions and Methods of Making and Using Same US 8,545,920

The most cited patent in this portfolio, cited by 26 later US patents, top 25% of utility patents granted in 2013 in our data. Protection runs to 2030.

Ends Mar 2030 · Medium confidence Also notable

Human Milk Permeate Compositions and Methods of Making and Using Same US 8,927,027

Cited by 20 later US patents, top 25% of utility patents granted in 2015 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2029.

Ends Dec 2029 · High confidence Also notable

High Fat Human Milk Products US 11,122,813

Cited by 10 later US patents, top 25% of utility patents granted in 2021 in our data. Protection runs to 2034.

Ends May 2034 · High confidence

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.

1 fee due Apr 6, 2027
The maintenance fee for Methods of Obtaining Sterile Milk and Compositions Thereof (US 9,149,052) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
1 fee due May 7, 2027
The maintenance fee for Microfiltration of Human Milk to Reduce Bacterial Contamination (US 11,805,785) comes due May 7, 2027. Unpaid by Nov 8, 2027, it lapses early.
1 fee due Jun 17, 2027
The maintenance fee for Microfiltration of Human Milk to Reduce Bacterial Contamination (US 10,506,818) comes due Jun 17, 2027. Unpaid by Dec 17, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

4 terms have ended since Aug 16, 2026

What they patent

The 5 largest of its 7 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

High Fat Human Milk Products	3 in force	to Feb 2035
Microfiltration of Human Milk to Reduce Bacterial Contamination	3 in force	to Mar 2034
Human Milk Products Useful in Pre- and Post-Operative Care	2 in force	to Jul 2038
Human Milk Compositions and Methods of Making and Using Same	2 in force	to Dec 2032
Compositions and Methods for Treatment of Inflammatory and Immune Diseases	1 in force	to Mar 2042

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 8,377,445	Compositions of Human Lipids and Methods of Making and Using Same In force Term ends Oct 12, 2029 · High confidence	In force	Term ends Oct 12, 2029	High confidence
US 8,927,027	Human Milk Permeate Compositions and Methods of Making and Using Same In force Term ends Dec 2, 2029 · High confidence	In force	Term ends Dec 2, 2029	High confidence
US 8,545,920	Human Milk Compositions and Methods of Making and Using Same In force Term ends Mar 23, 2030 · Medium confidence	In force	Term ends Mar 23, 2030	Medium confidence
US 10,506,818	Microfiltration of Human Milk to Reduce Bacterial Contamination In force Term ends Aug 3, 2032 · High confidence	In force	Term ends Aug 3, 2032	High confidence
US 9,149,052	Methods of Obtaining Sterile Milk and Compositions Thereof In force Term ends Dec 15, 2032 · High confidence	In force	Term ends Dec 15, 2032	High confidence
US 10,820,604	Microfiltration of Human Milk to Reduce Bacterial Contamination In force Term ends Mar 30, 2034 · High confidence	In force	Term ends Mar 30, 2034	High confidence
US 11,805,785	Microfiltration of Human Milk to Reduce Bacterial Contamination In force Term ends Mar 30, 2034 · High confidence	In force	Term ends Mar 30, 2034	High confidence
US 11,122,813	High Fat Human Milk Products In force Term ends May 30, 2034 · High confidence	In force	Term ends May 30, 2034	High confidence
US 12,063,943	High Fat Human Milk Products In force Term ends May 30, 2034 · High confidence	In force	Term ends May 30, 2034	High confidence
US 11,419,342	High Fat Human Milk Products In force Ends no later than Feb 21, 2035 · Medium confidence	In force	Ends no later than Feb 21, 2035	Medium confidence

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

Also on record, not counted in the 13: 6 patents ended · 10 applications pending · 21 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.

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Prolacta Bioscience, Inc.