Where does Turnstone Limited Partnership rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Turnstone Limited Partnership ranks #23,581 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Turnstone Limited Partnership hold?

Turnstone Limited Partnership holds 12 US utility patents granted between 2017 and 2023, spanning 5 technology areas.

What is Turnstone Limited Partnership's Innovation Score?

Turnstone Limited Partnership has an Innovation Score of 28.0 out of 100 (top 74% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Turnstone Limited Partnership's patent grant rate increasing or decreasing?

Turnstone Limited Partnership's recent grant velocity is +0% 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 Turnstone Limited Partnership's patents?

Turnstone Limited Partnership's patents average 16.8 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 Turnstone Limited Partnership 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

Turnstone Limited Partnership

Q: What technology areas does Turnstone Limited Partnership focus on?

Turnstone Limited Partnership's top technology area is A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS) with 12 patents. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 12 granted patents across 5 technology areas, recorded in grant years 2017–2023. 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: A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Turnstone ranks #23,581 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 5 technology areas.

#23,581
of 50,000 US assignees by volume: Top 74%
by Innovation Score (28.0/100): 16.8
avg claims per patent: +0%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R23581 · Foreign Corporation #23,581 · 12 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-FLAT · BOOK-FULL

GRANTS-MICRO 12 grants
MID-PACK #23,581/50,000
PHOTO-FINISH Tait International
CPC-NARROW A61P · 5 areas
INNOV-THIN 28.0/100
CLAIMS-RICH 16.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT +0% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Tait International 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
Turnstone Partnership · this assignee

28
3D Lighting Innovati… · lowest

7

What this shows Turnstone's Innovation Score is 28.0/100 (top 74% 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 Turnstone's grants concentrate

Turnstone Limited Partnership is a focused PatentsView assignee: 5 CPC subclasses with 100% of grants classified under A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2019. By volume, Turnstone sits between Trilumina Corp. and Taiwan Racing Products Co., Ltd..

Trilumina

12
TSE Brakes

12
TTM

12
TTX

12
TX Medic AB

12
TYK

12
Tait International

12
Taiwan Racing Pro…

12
Turnstone Partner… ◀

12

What this shows Turnstone holds 12 patents at rank #23,527, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Turnstone

By rank, the assignees closest to #23,527 in granted patent volume.

Leaders in A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…)

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

Turnstone's Innovation Score vs. every tracked assignee

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

28 Top 74% higher than 26% of 50,000 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 · 2017–2023

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Turnstone Limited Partnership patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	3	25.0%
2018	2	16.7%
2019	1	8.3%
2020	4	33.3%
2021	1	8.3%
2023	1	8.3%

Which technologies does Turnstone Limited Partnership patent most?

A61P - SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS 12

A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES 12

C12N - MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA 12

C07K - PEPTIDES 6

Y02A - TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE 5

Top 5 of 5 technology areas

Where it ranks

Overall rank by patents

#23,581

of 50,000 tracked assignees

Innovation Score

28.0 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.