Where does API Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), API Corporation ranks #8,326 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does API Corporation hold?

API Corporation holds 38 US utility patents granted between 2015 and 2025, spanning 14 technology areas.

What is API Corporation's Innovation Score?

API Corporation has an Innovation Score of 39.2 out of 100 (top 39% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is API Corporation's patent grant rate increasing or decreasing?

API Corporation's recent grant velocity is +12% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for API Corporation's patents?

API Corporation's patents average 7.3 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the API Corporation patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

API Corporation

Q: What technology areas does API Corporation focus on?

API Corporation's top technology area is C12P (Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture) with 19 patents, ranking #101 of 1,268 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

USPTO PatentsView assignee record - 38 granted patents across 14 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: C12P (Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, API ranks #8,326 of 49,997 tracked US assignees by granted-patent volume, with 38 patents across 14 technology areas.

#8,326
of 49,997 US assignees by volume: Top 39%
by Innovation Score (39.2/100): 7.3
avg claims per patent: +12%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R8326 · Foreign Corporation #8,326 · 38 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-SMALL 38 grants
UPPER-Q #8,326/49,997
PHOTO-FINISH ABB E-Mobility B V
CPC-FOCUS C12P · 14 areas
INNOV-THIN 39.2/100
CLAIMS-SPARSE 7.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +12% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: ABB E-Mobility B.V. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How API’s 39.2 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 12.7 pts (32%) Velocity 8.9 pts (23%) Breadth 13.2 pts (34%) Claim depth 4.4 pts (11%)

Qualcomm Incorporated · highest

85
Allergan Pharmaceuti… · near

39
API · this assignee

39
fischerwerke & KG · near

39
Ulthera · near

39
Vishay Dale · near

39
3D Lighting… · lowest

7

What this shows API's Innovation Score is 39.2/100 (top 39% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for API?

Each dot is one of API’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). API’s own 7.3 claims/patent is at or below the 14.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

API vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where API's grants concentrate

API Corporation is a focused PatentsView assignee: 14 CPC subclasses with 50% of grants classified under C12P (Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture). Peak complete grant year is 2018 (6 grants) versus a trough of 1 in 2022. By volume, API sits between ABB E-Mobility B.V. and All Purpose Networks, Inc..

API's three-year grant acceleration

API Corporation shows 12 grants in 2022–2024 against only 9 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

ABB E-mobility B V

38
Abbvie Biotherape…

38
ADC Czech Republi…

38
Aker Biomarine An…

38
Atop S p A

38
ATT Southern

38
Auctane

38
All Purpose Netwo…

38
API ◀

38

What this shows API holds 38 patents at rank #8,324, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near API

By rank, the assignees closest to #8,324 in granted patent volume.

Leaders in C12P (Fermentation OR Enzyme-using Processes TO Synthesise A De…)

Other assignees with the most granted patents in API's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for API, neither rank-band nor same-CPC leaders (those blocks stay above). In C12P (Fermentation OR Enzyme-using Processes TO Synthesise A De…), API ranks #101 of 1,268 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (39 here).

fischerwerke GmbH & Co. KG 39 Vishay Dale Electronics, LLC 39 Ulthera, Inc. 39 Allergan Pharmaceuticals International Limited 39

API's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

39 Top 39% higher than 61% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

API Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	5.3%
2016	3	7.9%
2017	4	10.5%
2018	6	15.8%
2019	2	5.3%
2020	3	7.9%
2021	4	10.5%
2022	1	2.6%
2023	5	13.2%
2024	6	15.8%
2025partial year	2	5.3%

Which technologies does API Corporation patent most?

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 19

C07D - Heterocyclic Compounds 16

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 14

C07C - Acyclic OR Carbocyclic Compounds 13

C12Y - Enzymes 12

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 10

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 7

C07B - General Methods OF Organic CHEMISTRY; Apparatus Therefor 6

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 5

C07K - Peptides 2

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 1

B62B - Hand-propelled Vehicles, e.g. Hand Carts OR PERAMBULATORS; Sledges 1

A01K - Animal HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; Rearing OR Breeding Animals, NOT Otherwise Provided FOR; NEW Breeds OF Animals 1

A01N - Preservation OF Bodies OF Humans OR Animals OR Plants OR Parts Thereof ; Biocides, e.g. AS Disinfectants, AS Pesticides OR AS Herbicides ; Pest Repellants OR ATTRACTANTS; Plant Growth Regulators 1

Top 14 of 14 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

API Corporation's patent record in context - here's where to go next.

API Corporation's lead technology class is C12P (Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture), 50% of its portfolio - see every assignee active in that class. Explore C12P
Ranked #8,326 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare API Corporation against ABB E-Mobility B.V., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 39.2/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.