Where does Jiangnan University rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Jiangnan University ranks #887 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 Jiangnan University hold?

Jiangnan University holds 511 US utility patents granted between 2015 and 2025, spanning 190 technology areas.

What is Jiangnan University's Innovation Score?

Jiangnan University has an Innovation Score of 59.9 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Jiangnan University's patent grant rate increasing or decreasing?

Jiangnan University's recent grant velocity is +226% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Jiangnan University's patents?

Jiangnan University's patents average 8.4 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 Jiangnan University 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

Jiangnan University

Q: What technology areas does Jiangnan University focus on?

Jiangnan University's top technology area is C12N (Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media) with 201 patents. Grants appear in 190 CPC subclasses total.

USPTO PatentsView assignee record - 511 granted patents across 190 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: C12N (Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Jiangnan ranks #887 of 49,997 tracked US assignees by granted-patent volume, with 511 patents across 190 technology areas.

#887
of 49,997 US assignees by volume: Top 4%
by Innovation Score (59.9/100): 8.4
avg claims per patent: +226%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R887 · Foreign Corporation #887 · 511 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 511 grants
TOP-DECILE #887/49,997
PHOTO-FINISH Nicoventures Trading
CPC-WIDE C12N · 190 areas
INNOV-PAR 59.9/100
CLAIMS-PAR 8.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +226% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Nicoventures Trading Limited (±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
Institute of… · near

60
Jiangnan University · this assignee

60
Know Labs · near

60
Tmrw Foundation IP… · near

60
NuVasive · near

60
3D Lighting… · lowest

7

What this shows Jiangnan's Innovation Score is 59.9/100 (top 4% 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.

How Jiangnan's grant cadence moved

Between 2020–2024, Jiangnan University received 349 grants versus 107 in 2015–2019 (+226% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 82 grants and bottomed in 2015 at 6. Lead class C12N accounts for 39.3% of the portfolio across 190 subclasses. Volume neighbours: Bayer Intellectual Property GmbH (#883) and NuVasive, Inc. (#891).

Jiangnan's three-year grant acceleration

From 2019–2021 to 2022–2024, Jiangnan University moved from 177 to 222 grants (1.25x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #700. See the growth leaderboard.

Bayer Intellectua…

513
Dish L L C

512
Emory University

512
Kennametal

512
Nicoventures Trad…

511
Sumitomo Metal Mi…

511
Jiangnan Universi… ◀

511
Entegris

509
Nuvasive

504

What this shows Jiangnan holds 511 patents at rank #887, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Jiangnan

By rank, the assignees closest to #887 in granted patent volume.

Leaders in C12N (Microorganisms OR Enzymes)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Jiangnan, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (60 here).

Institute of Geology and Geophysics, Chinese Academy of Sciences 60 Know Labs, Inc. 60 Tmrw Foundation IP S.ÀR.L. 60 NuVasive, Inc. 60

Similar claim depth

Nearest assignees by average claims per patent (8.4 here).

Ideal Industries, Inc. 8.4 avg Zhejiang University 8.4 avg Zhejiang LAB 8.4 avg Kabo Tool Company 8.4 avg

Jiangnan's Innovation Score vs. every tracked assignee

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

60 Top 4% higher than 96% 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

Jiangnan University patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	1.2%
2016	11	2.2%
2017	12	2.3%
2018	28	5.5%
2019	50	9.8%
2020	57	11.2%
2021	70	13.7%
2022	68	13.3%
2023	72	14.1%
2024	82	16.0%
2025partial year	55	10.8%

Which technologies does Jiangnan University patent most?

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 201

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 143

C12Y - Enzymes 122

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof 82

C12R - Indexing Scheme Associated With Subclasses C12c - C12q, Relating TO Microorganisms 77

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 66

A23V - Indexing Scheme Relating TO Foods, Foodstuffs OR Non-alcoholic Beverages AND Lactic OR Propionic Acid Bacteria Used IN Foodstuffs OR Food Preparation 52

C07K - Peptides 49

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 40

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 35

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 32

C08B - POLYSACCHARIDES; Derivatives Thereof 27

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 25

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 18

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 18

Top 15 of 190 technology areas

Where it ranks

Overall rank by patents

#887

of 49,997 tracked assignees

Innovation Score

59.9 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

Jiangnan University's patent record in context - here's where to go next.

Jiangnan University's lead technology class is C12N (Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media), 39.3% of its portfolio - see every assignee active in that class. Explore C12N
Ranked #887 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Jiangnan University against Bayer Intellectual Property GmbH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 59.9/100 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.