Where does Celgard, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Celgard, LLC ranks #3,425 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 Celgard, LLC hold?

Celgard, LLC holds 108 US utility patents granted between 2015 and 2025, spanning 33 technology areas.

What is Celgard, LLC's Innovation Score?

Celgard, LLC has an Innovation Score of 52.5 out of 100 (top 10% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Celgard, LLC's patent grant rate increasing or decreasing?

Celgard, LLC's recent grant velocity is +156% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Celgard, LLC's patents?

Celgard, LLC's patents average 15.8 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 Celgard, LLC 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

Celgard, LLC

Q: What technology areas does Celgard, LLC focus on?

Celgard, LLC's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 99 patents. Grants appear in 33 CPC subclasses total.

USPTO PatentsView assignee record - 108 granted patents across 33 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Celgard ranks #3,425 of 49,997 tracked US assignees by granted-patent volume, with 108 patents across 33 technology areas.

#3,425
of 49,997 US assignees by volume: Top 10%
by Innovation Score (52.5/100): 15.8
avg claims per patent: +156%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3425 · US Corporation #3,425 · 108 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 108 grants
TOP-DECILE #3,425/49,997
PHOTO-FINISH Berry Global
CPC-FOCUS Y02E · 33 areas
INNOV-PAR 52.5/100
CLAIMS-RICH 15.8 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +156% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Berry Global, 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
Aviatrix Systems · near

52
Celgard · this assignee

52
Centre of Excellence… · near

52
Korea Electrotechnol… · near

52
Pontificia Universid… · near

52
3D Lighting… · lowest

7

What this shows Celgard's Innovation Score is 52.5/100 (top 10% 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 Celgard's grants concentrate

Celgard, LLC is a focused PatentsView assignee: 33 CPC subclasses with 91.7% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2023 (17 grants) versus a trough of 1 in 2015. By volume, Celgard sits between Berry Global, Inc. and Essential Products, Inc..

Celgard's three-year grant acceleration

From 2019–2021 to 2022–2024, Celgard, LLC moved from 40 to 39 grants (0.97x 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 #1,248. See the growth leaderboard.

Berry Global

108
Bradley Fixtures

108
Bridgestone Europ…

108
Böllhoff Verbindu…

108
DJO

108
Ecosense Lighting

108
Edwards Lifescien…

108
Essential Products

108
Celgard ◀

108

What this shows Celgard holds 108 patents at rank #3,425, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Celgard

By rank, the assignees closest to #3,425 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (52 here).

Aviatrix Systems, Inc. 52 Korea Electrotechnology Research Institute 52 Centre of Excellence in Wireless Technology 52 Pontificia Universidad Catolica DE Chile 52

Similar claim depth

Nearest assignees by average claims per patent (15.8 here).

Ohio University 15.8 avg Soucy International Inc. 15.8 avg Solvay SA 15.8 avg Universal Lighting Technologies Inc. 15.8 avg

Celgard's Innovation Score vs. every tracked assignee

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

52 Top 10% higher than 90% 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

Celgard, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	0.9%
2016	3	2.8%
2017	7	6.5%
2018	6	5.6%
2019	10	9.3%
2020	15	13.9%
2021	15	13.9%
2022	7	6.5%
2023	17	15.7%
2024	15	13.9%
2025partial year	12	11.1%

Which technologies does Celgard, LLC patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 99

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 97

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 40

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 27

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 25

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 20

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 19

Y10T - Technical Subjects Covered BY Former US Classification 19

B01D - Separation 16

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 14

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 6

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 6

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 5

C08L - Compositions OF Macromolecular Compounds 5

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 4

Top 15 of 33 technology areas

Where it ranks

Overall rank by patents

#3,425

of 49,997 tracked assignees

Innovation Score

52.5 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

Celgard, LLC's patent record in context - here's where to go next.

Celgard, LLC's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 91.7% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #3,425 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Celgard, LLC against Berry Global, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.5/100 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.