Where does Quarkstar LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Quarkstar LLC ranks #3,105 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 Quarkstar LLC hold?

Quarkstar LLC holds 122 US utility patents granted between 2015 and 2025, spanning 19 technology areas.

What is Quarkstar LLC's Innovation Score?

Quarkstar LLC has an Innovation Score of 48.8 out of 100 (top 16% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Quarkstar LLC's patent grant rate increasing or decreasing?

Quarkstar LLC's recent grant velocity is -10% 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 Quarkstar LLC's patents?

Quarkstar LLC's patents average 23.6 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 Quarkstar 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

Quarkstar LLC

Q: What technology areas does Quarkstar LLC focus on?

Quarkstar LLC's top technology area is F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR) with 100 patents. Grants appear in 19 CPC subclasses total.

USPTO PatentsView assignee record - 122 granted patents across 19 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: F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Quarkstar ranks #3,105 of 49,997 tracked US assignees by granted-patent volume, with 122 patents across 19 technology areas.

#3,105
of 49,997 US assignees by volume: Top 16%
by Innovation Score (48.8/100): 23.6
avg claims per patent: -10%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3105 · US Corporation #3,105 · 122 grants

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

GRANTS-MID 122 grants
TOP-DECILE #3,105/49,997
PHOTO-FINISH Morpho
CPC-FOCUS F21V · 19 areas
INNOV-PAR 48.8/100
CLAIMS-DENSE 23.6 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT -10% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Morpho, 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
APR Beauty Group · near

49
Arrowhead Pharmaceut… · near

49
Haldex Brake… · near

49
Medela Holding · near

49
Quarkstar · this assignee

49
3D Lighting… · lowest

7

What this shows Quarkstar's Innovation Score is 48.8/100 (top 16% 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 Quarkstar's grants concentrate

Quarkstar LLC is a focused PatentsView assignee: 19 CPC subclasses with 82% of grants classified under F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR). Peak complete grant year is 2020 (25 grants) versus a trough of 7 in 2015. By volume, Quarkstar sits between Morpho, Inc. and Siltronic AG.

Quarkstar's three-year grant acceleration

From 2019–2021 to 2022–2024, Quarkstar LLC moved from 54 to 21 grants (0.39x 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 #2,898. See the growth leaderboard.

Morpho

122
Natera

122
Nextnav

122
Oiles

122
Saint-gobain Isov…

122
Smartsky Networks

122
Sensors Incorpora…

122
Siltronic

122
Quarkstar ◀

122

What this shows Quarkstar holds 122 patents at rank #3,105, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Quarkstar

By rank, the assignees closest to #3,105 in granted patent volume.

Leaders in F21V (Functional Features OR Details OF Lighting Devices OR Sys…)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (49 here).

Medela Holding AG 49 Arrowhead Pharmaceuticals, Inc. 49 APR Beauty Group Inc. 49 Haldex Brake Products Aktiebolag 49

Similar claim depth

Nearest assignees by average claims per patent (23.6 here).

Radware Ltd. 23.6 avg Switchlab (Shanghai) Co., Ltd. 23.6 avg i4F Licensing NV 23.6 avg Conviva Inc. 23.6 avg

Quarkstar's Innovation Score vs. every tracked assignee

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

49 Top 16% higher than 84% 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

Quarkstar LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	7	5.7%
2016	10	8.2%
2017	10	8.2%
2018	18	14.8%
2019	18	14.8%
2020	25	20.5%
2021	11	9.0%
2022	7	5.7%
2023	7	5.7%
2024	7	5.7%
2025partial year	2	1.6%

Which technologies does Quarkstar LLC patent most?

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 100

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 95

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 75

G02B - Optical Elements, Systems OR Apparatus 74

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 65

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 43

H01L - Semiconductor Devices NOT Covered BY Class H10 28

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 15

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 4

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 3

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 3

C03C - Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other Materials 3

H10K - Organic Electric Solid-state Devices 2

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 2

Y02A - Technologies FOR Adaptation TO Climate Change 2

Top 15 of 19 technology areas

Where it ranks

Overall rank by patents

#3,105

of 49,997 tracked assignees

Innovation Score

48.8 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

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

Quarkstar LLC's lead technology class is F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR), 82% of its portfolio - see every assignee active in that class. Explore F21V
Ranked #3,105 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Quarkstar LLC against Morpho, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 48.8/100 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.