Where does Apexigen, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Apexigen, Inc. ranks #22,194 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 Apexigen, Inc. hold?

Apexigen, Inc. holds 12 US utility patents granted between 2015 and 2021, spanning 3 technology areas.

What is Apexigen, Inc.'s Innovation Score?

Apexigen, Inc. has an Innovation Score of 24.1 out of 100 (14th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Apexigen, Inc. focus on?

Apexigen, Inc.'s top technology area is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations) with 12 patents, ranking #1,593 of 6,058 assignees active in that subclass. Grants appear in 3 CPC subclasses total.

Is Apexigen, Inc.'s patent grant rate increasing or decreasing?

Apexigen, Inc.'s recent grant velocity is -80% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Apexigen, Inc.'s patents?

Apexigen, Inc.'s patents average 15.2 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 Apexigen, Inc. 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 US Corporation

Apexigen, Inc.

USPTO PatentsView assignee record - 12 granted patents across 3 technology areas, recorded in grant years 2015–2021. 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: A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Apexigen ranks #22,194 of 49,997 tracked US assignees by granted-patent volume, with 12 patents across 3 technology areas.

#22,194
of 49,997 US assignees by volume: 14th percentile
by Innovation Score (24.1/100): 15.2
avg claims per patent: -80%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R22194 · US Corporation #22,194 · 12 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 12 grants
MID-PACK #22,194/49,997
PHOTO-FINISH Anteris
CPC-NARROW A61P · 3 areas
INNOV-THIN 24.1/100
CLAIMS-RICH 15.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -80% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Anteris Technologies Corporation (±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 Apexigen’s 24.1 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 8.9 pts (37%) Velocity 0.0 pts (0%) Breadth 6.1 pts (25%) Claim depth 9.1 pts (38%)

Qualcomm Incorporated · highest

85
Apexigen · this assignee

24
3D Lighting… · lowest

7

What this shows Apexigen's Innovation Score is 24.1/100 (14th percentile 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 Apexigen?

Each dot is one of Apexigen’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). Apexigen’s own 15.2 claims/patent is at or below the 18.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Apexigen's grants concentrate

Apexigen, Inc. is a focused PatentsView assignee: 3 CPC subclasses with 100% of grants classified under A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations). Peak complete grant year is 2015 (3 grants) versus a trough of 1 in 2019. By volume, Apexigen sits between Anteris Technologies Corporation and Arntz Beteiligungs GmbH & Co. KG.

Anteris

12
Antheia

12
Antique Books

12
Anvis Deutschland

12
Aptevo Research a…

12
Ardesa

12
Areva Wind

12
Arntz Beteiligung…

12
Apexigen ◀

12

What this shows Apexigen holds 12 patents at rank #22,218, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Apexigen

By rank, the assignees closest to #22,218 in granted patent volume.

Leaders in A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…)

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

Apexigen's Innovation Score vs. every tracked assignee

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

24 14th percentile higher than 14% 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 · 2015–2021

Grants by year

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

View data table

Apexigen, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	25.0%
2016	2	16.7%
2017	2	16.7%
2018	2	16.7%
2019	1	8.3%
2021	2	16.7%

Which technologies does Apexigen, Inc. patent most?

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 12

C07K - Peptides 12

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 10

Top 3 of 3 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

Apexigen, Inc.'s patent record in context - here's where to go next.

Apexigen, Inc.'s lead technology class is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations), 100% of its portfolio - see every assignee active in that class. Explore A61P
Ranked #22,194 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Apexigen, Inc. against Anteris Technologies Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.1/100 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.