Where does Spartech, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Spartech, LLC ranks #37,651 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 Spartech, LLC hold?

Spartech, LLC holds 7 US utility patents granted between 2017 and 2021, spanning 8 technology areas.

What is Spartech, LLC's Innovation Score?

Spartech, LLC has an Innovation Score of 22.7 out of 100 (11th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Spartech, LLC's recent grant velocity is -25% 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 Spartech, LLC's patents?

Spartech, LLC's patents average 9.1 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 Spartech, 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

Spartech, LLC

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

Spartech, LLC's top technology area is 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) with 2 patents, ranking #2,102 of 4,378 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 8 technology areas, recorded in grant years 2017–2021. 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: 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).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Spartech ranks #37,651 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 8 technology areas.

#37,651
of 49,997 US assignees by volume: 11th percentile
by Innovation Score (22.7/100): 9.1
avg claims per patent: -25%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R37651 · US Corporation #37,651 · 7 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 7 grants
LOWER-Q #37,651/49,997
PHOTO-FINISH Spacesaver
CPC-NARROW B29C · 8 areas
INNOV-THIN 22.7/100
CLAIMS-PAR 9.1 claims/avg
TYPE-USCORP US Corporation
VEL-DOWN -25% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Spacesaver Corporation (±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 Spartech’s 22.7 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 7.2 pts (32%) Velocity 0.0 pts (0%) Breadth 10.0 pts (44%) Claim depth 5.5 pts (24%)

Qualcomm Incorporated · highest

85
Spartech · this assignee

23
3D Lighting… · lowest

7

What this shows Spartech's Innovation Score is 22.7/100 (11th percentile 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 Spartech?

Each dot is one of Spartech’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). Spartech’s own 9.1 claims/patent is at or below the 16.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Spartech's grants concentrate

Spartech, LLC is a focused PatentsView assignee: 8 CPC subclasses with 28.6% of grants classified under 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). Peak complete grant year is 2019 (2 grants) versus a trough of 1 in 2017. By volume, Spartech sits between Spacesaver Corporation and Spero Therapeutics, Inc..

Spacesaver

7
Spark Therapeutics

7
Sparkling Bins

7
Spartan Bioscience

7
Speaqua

7
Spectre Materials…

7
Spectro Analytica…

7
Spero Therapeutics

7
Spartech ◀

7

What this shows Spartech holds 7 patents at rank #37,468, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Spartech

By rank, the assignees closest to #37,468 in granted patent volume.

Leaders in B29C (Shaping OR Joining OF Plastics)

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

Spartech's Innovation Score vs. every tracked assignee

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

23 11th percentile higher than 11% 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 · 2017–2021

Grants by year

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

View data table

Spartech, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	14.3%
2018	1	14.3%
2019	2	28.6%
2020	1	14.3%
2021	2	28.6%

Which technologies does Spartech, LLC patent most?

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 2

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 2

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 2

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

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 2

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 1

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 1

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 1

Top 8 of 8 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

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

Spartech, LLC's lead technology class is 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), 28.6% of its portfolio - see every assignee active in that class. Explore B29C
Ranked #37,651 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Spartech, LLC against Spacesaver Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.7/100 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.