Is Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences's patent grant rate increasing or decreasing?

Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences's recent grant velocity is -3% 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 Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences's patents?

Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences's patents average 13.3 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences

Q: Where does Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences ranks #2,928 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

Q: How is the Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences 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 PatentsView assignee record - 130 granted patents across 42 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: B01J (Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Dalian ranks #2,928 of 49,997 tracked US assignees by granted-patent volume, with 130 patents across 42 technology areas.

#2,928
of 49,997 US assignees by volume: Top 11%
by Innovation Score (52.1/100): 13.3
avg claims per patent: -3%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2928 · Foreign Corporation #2,928 · 130 grants

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

GRANTS-MID 130 grants
TOP-DECILE #2,928/49,997
PHOTO-FINISH Alcon Research
CPC-WIDE B01J · 42 areas
INNOV-PAR 52.1/100
CLAIMS-RICH 13.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT -3% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Alcon Research, Ltd. (±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 Dalian’s 52.1 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 16.8 pts (32%) Velocity 4.3 pts (8%) Breadth 22.9 pts (44%) Claim depth 8.0 pts (15%)

Qualcomm Incorporated · highest

85
Dalian Institute OF… · this assignee

52
Gracewood Management · near

52
UncommonX · near

52
University OF Cape… · near

52
Intersil Americas · near

52
3D Lighting… · lowest

7

What this shows Dalian's Innovation Score is 52.1/100 (top 11% 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 Dalian?

Each dot is one of Dalian’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). Dalian’s own 13.3 claims/patent is at or below the 13.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Dalian's grants concentrate

Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences is a focused PatentsView assignee: 42 CPC subclasses with 77.7% of grants classified under B01J (Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus). Peak complete grant year is 2021 (17 grants) versus a trough of 5 in 2023. By volume, Dalian sits between Xiamen University and Katalyst Surgical, LLC.

Dalian's three-year grant acceleration

From 2019–2021 to 2022–2024, Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences moved from 43 to 28 grants (0.65x 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 #2,310. See the growth leaderboard.

Xiamen University

131
Alcon Research

130
Butterfly Network

130
Crown Packaging T…

130
Glaxo Group

130
Husky Injection M…

130
Kansas State Univ…

130
Katalyst Surgical

130
Dalian Institute… ◀

130

What this shows Dalian holds 130 patents at rank #2,928, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dalian

By rank, the assignees closest to #2,928 in granted patent volume.

Leaders in B01J (Chemical OR Physical Processes)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Dalian, neither rank-band nor same-CPC leaders (those blocks stay above). In B01J (Chemical OR Physical Processes), Dalian ranks #31 of 2,755 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (52 here).

University OF Cape Town 52 UncommonX Inc. 52 Gracewood Management, Inc. 52 Intersil Americas LLC 52

Similar claim depth

Nearest assignees by average claims per patent (13.3 here).

Universite DE Rennes 13.3 avg Valmet AB 13.3 avg Specialized Bicycle Components, Inc. 13.3 avg Alpha and Omega Semiconductor, Ltd. 13.3 avg

Dalian's Innovation Score vs. every tracked assignee

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

52 Top 11% higher than 89% 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

Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	8	6.2%
2016	13	10.0%
2017	16	12.3%
2018	14	10.8%
2019	11	8.5%
2020	15	11.5%
2021	17	13.1%
2022	14	10.8%
2023	5	3.8%
2024	9	6.9%
2025partial year	8	6.2%

Which technologies does Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences patent most?

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 101

C07C - Acyclic OR Carbocyclic Compounds 84

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 59

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 21

C10G - Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GASES; Refining Mixtures Mainly Consisting OF HYDROCARBONS; Reforming OF NAPHTHA; Mineral Waxes 17

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 15

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 11

B01D - Separation 9

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 7

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 6

C07D - Heterocyclic Compounds 6

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 2

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 2

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 2

C12Q - Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Microbiological OR Enzymological Processes 2

Top 15 of 42 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

Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences's patent record in context - here's where to go next.

Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences's lead technology class is B01J (Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus), 77.7% of its portfolio - see every assignee active in that class. Explore B01J
Ranked #2,928 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dalian Institute OF Chemical Physics, Chinese Academy OF Sciences against Xiamen University, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.1/100 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.