Where does Quest Diagnostics Investments LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Quest Diagnostics Investments LLC ranks #1,287 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 Quest Diagnostics Investments LLC hold?

Quest Diagnostics Investments LLC holds 329 US utility patents granted between 2015 and 2025, spanning 31 technology areas.

What is Quest Diagnostics Investments LLC's Innovation Score?

Quest Diagnostics Investments LLC has an Innovation Score of 54.7 out of 100 (top 8% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Quest Diagnostics Investments LLC's patent grant rate increasing or decreasing?

Quest Diagnostics Investments LLC's recent grant velocity is +15% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Quest Diagnostics Investments LLC's patents?

Quest Diagnostics Investments LLC's patents average 15.3 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.

How is the Quest Diagnostics Investments 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

Quest Diagnostics Investments LLC

Q: What technology areas does Quest Diagnostics Investments LLC focus on?

Quest Diagnostics Investments LLC's top technology area is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties) with 198 patents. Grants appear in 31 CPC subclasses total.

USPTO PatentsView assignee record - 329 granted patents across 31 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: G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Quest ranks #1,287 of 49,997 tracked US assignees by granted-patent volume, with 329 patents across 31 technology areas.

#1,287
of 49,997 US assignees by volume: Top 8%
by Innovation Score (54.7/100): 15.3
avg claims per patent: +15%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1287 · US Corporation #1,287 · 329 grants

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

GRANTS-MID 329 grants
TOP-DECILE #1,287/49,997
PHOTO-FINISH KunShan Go-Visionox…
CPC-FOCUS G01N · 31 areas
INNOV-PAR 54.7/100
CLAIMS-RICH 15.3 claims/avg
TYPE-USCORP US Corporation
VEL-UP +15% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: KunShan Go-Visionox Opto-Electronics Co., 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.

Qualcomm Incorporated · highest

85
Church & Dwight · near

55
Lattice Semiconductor · near

55
Open Text ULC · near

55
Quest Diagnostics… · this assignee

55
Truma Geraetetechnik… · near

55
3D Lighting… · lowest

7

What this shows Quest's Innovation Score is 54.7/100 (top 8% 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 Quest's grants concentrate

Quest Diagnostics Investments LLC is a focused PatentsView assignee: 31 CPC subclasses with 60.2% of grants classified under G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties). Peak complete grant year is 2019 (38 grants) versus a trough of 18 in 2015. By volume, Quest sits between Thyssenkrupp Presta Aktiengesellschaft and Alpha and Omega Semiconductor, Ltd..

Quest's three-year grant acceleration

From 2019–2021 to 2022–2024, Quest Diagnostics Investments LLC moved from 107 to 93 grants (0.87x 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 #1,602. See the growth leaderboard.

Thyssenkrupp Pres…

330
Kunshan Go-vision…

329
Mary KAY

329
Monolithic 3D

329
Sew-eurodrive & KG

329
Yissum Research D…

329
Quest Diagnostics… ◀

329
Safran

328
Alpha and Omega S…

327

What this shows Quest holds 329 patents at rank #1,287, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Quest

By rank, the assignees closest to #1,287 in granted patent volume.

Leaders in G01N (Investigating OR Analysing Materials BY Determining Their…)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (55 here).

Open Text SA ULC 55 Lattice Semiconductor Corporation 55 Church & Dwight Co., Inc. 55 Truma Geraetetechnik GMBH & Co. KG 55

Similar claim depth

Nearest assignees by average claims per patent (15.3 here).

Chongqing BOE Optoelectronics Technology Co., Ltd. 15.3 avg Oridion Medical 1987 Ltd. 15.3 avg Codexis, Inc. 15.3 avg ST. Jude Medical, Cardiology Division, Inc. 15.3 avg

Quest's Innovation Score vs. every tracked assignee

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

55 Top 8% higher than 92% 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

Quest Diagnostics Investments LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	18	5.5%
2016	21	6.4%
2017	30	9.1%
2018	34	10.3%
2019	38	11.6%
2020	38	11.6%
2021	31	9.4%
2022	30	9.1%
2023	28	8.5%
2024	35	10.6%
2025partial year	26	7.9%

Which technologies does Quest Diagnostics Investments LLC patent most?

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 198

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 144

H01J - Electric Discharge Tubes OR Discharge Lamps 101

Y10T - Technical Subjects Covered BY Former US Classification 74

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 32

C07K - Peptides 28

G16H - Healthcare Informatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR THE Handling OR Processing OF Medical OR Healthcare Data 24

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 20

G06F - Electric Digital Data Processing 18

G16B - Bioinformatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR Genetic OR Protein-related Data Processing IN Computational Molecular Biology 16

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 14

Y02A - Technologies FOR Adaptation TO Climate Change 12

G06V - Image OR Video Recognition OR Understanding 9

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 8

H04N - Pictorial Communication, e.g. Television 7

Top 15 of 31 technology areas

Where it ranks

Overall rank by patents

#1,287

of 49,997 tracked assignees

Innovation Score

54.7 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

Quest Diagnostics Investments LLC's patent record in context - here's where to go next.

Quest Diagnostics Investments LLC's lead technology class is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties), 60.2% of its portfolio - see every assignee active in that class. Explore G01N
Ranked #1,287 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Quest Diagnostics Investments LLC against Thyssenkrupp Presta Aktiengesellschaft, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 54.7/100 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.