Where does Guangzhou Bioseal Biotech Co. Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Guangzhou Bioseal Biotech Co. Ltd ranks #31,841 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 Guangzhou Bioseal Biotech Co. Ltd hold?

Guangzhou Bioseal Biotech Co. Ltd holds 8 US utility patents granted between 2018 and 2022, spanning 12 technology areas.

What is Guangzhou Bioseal Biotech Co. Ltd's Innovation Score?

Guangzhou Bioseal Biotech Co. Ltd has an Innovation Score of 27.1 out of 100 (22nd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Guangzhou Bioseal Biotech Co. Ltd's patent grant rate increasing or decreasing?

Guangzhou Bioseal Biotech Co. Ltd's recent grant velocity is +600% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Guangzhou Bioseal Biotech Co. Ltd's patents?

Guangzhou Bioseal Biotech Co. Ltd's patents average 7.6 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 Guangzhou Bioseal Biotech Co. Ltd 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

Guangzhou Bioseal Biotech Co. Ltd

Q: What technology areas does Guangzhou Bioseal Biotech Co. Ltd focus on?

Guangzhou Bioseal Biotech Co. Ltd's top technology area is A61L (Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles) with 3 patents. Grants appear in 12 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 12 technology areas, recorded in grant years 2018–2022. 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: A61L (Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES;).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Guangzhou ranks #31,841 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 12 technology areas.

#31,841
of 49,997 US assignees by volume: 22nd percentile
by Innovation Score (27.1/100): 7.6
avg claims per patent: +600%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R31841 · Foreign Corporation #31,841 · 8 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 8 grants
MID-PACK #31,841/49,997
PHOTO-FINISH Grid ai
CPC-FOCUS A61L · 12 areas
INNOV-THIN 27.1/100
CLAIMS-SPARSE 7.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +600% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Grid.ai, Inc. (±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.

Qualcomm Incorporated · highest

85
Guangzhou Bioseal… · this assignee

27
3D Lighting… · lowest

7

What this shows Guangzhou's Innovation Score is 27.1/100 (22nd 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.

Where Guangzhou's grants concentrate

Guangzhou Bioseal Biotech Co. Ltd is a focused PatentsView assignee: 12 CPC subclasses with 37.5% of grants classified under A61L (Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES;). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2018. By volume, Guangzhou sits between Grid.ai, Inc. and H.I.T. Outdoors, LLC.

Guangzhou's three-year grant acceleration

Guangzhou Bioseal Biotech Co. Ltd shows 2 grants in 2022–2024 against only 5 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.

Grid ai

8
Guangdong Global…

8
Guangdong Institu…

8
Guangdong Willing…

8
Guangzhou Institu…

8
Guangzhou Yu Junr…

8
H Robotics

8
H I T Outdoors

8
Guangzhou Bioseal… ◀

8

What this shows Guangzhou holds 8 patents at rank #31,843, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Guangzhou

By rank, the assignees closest to #31,843 in granted patent volume.

Leaders in A61L (Methods OR Apparatus FOR Sterilising Materials OR Objects…)

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

Guangzhou's Innovation Score vs. every tracked assignee

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

27 22nd percentile higher than 22% 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 · 2018–2022

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Guangzhou Bioseal Biotech Co. Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	12.5%
2020	4	50.0%
2021	1	12.5%
2022	2	25.0%

Which technologies does Guangzhou Bioseal Biotech Co. Ltd patent most?

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 3

C12Y - Enzymes 2

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 2

A61B - DIAGNOSIS; SURGERY; Identification 1

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 1

C08L - Compositions OF Macromolecular Compounds 1

A61F - Filters Implantable Into Blood VESSELS; PROSTHESES; Devices Providing Patency TO, OR Preventing Collapsing OF, Tubular Structures OF THE Body, e.g. STENTS; Orthopaedic, Nursing OR Contraceptive DEVICES; FOMENTATION; Treatment OR Protection OF Eyes OR EARS; Bandages, Dressings OR Absorbent PADS; Firs 1

C08B - POLYSACCHARIDES; Derivatives Thereof 1

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 1

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 1

Top 12 of 12 technology areas

Where it ranks

Overall rank by patents

#31,841

of 49,997 tracked assignees

Innovation Score

27.1 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Guangzhou Bioseal Biotech Co. Ltd's patent record in context - here's where to go next.

Guangzhou Bioseal Biotech Co. Ltd's lead technology class is A61L (Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES;), 37.5% of its portfolio - see every assignee active in that class. Explore A61L
Ranked #31,841 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Guangzhou Bioseal Biotech Co. Ltd against Grid.ai, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 27.1/100 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.