Where does Stora Enso OYJ rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Stora Enso OYJ ranks #1,696 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 Stora Enso OYJ hold?

Stora Enso OYJ holds 243 US utility patents granted between 2015 and 2025, spanning 109 technology areas.

What is Stora Enso OYJ's Innovation Score?

Stora Enso OYJ has an Innovation Score of 58.6 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Stora Enso OYJ's patent grant rate increasing or decreasing?

Stora Enso OYJ's recent grant velocity is +73% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Stora Enso OYJ's patents?

Stora Enso OYJ's patents average 15.1 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 Stora Enso OYJ 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

Stora Enso OYJ

Q: What technology areas does Stora Enso OYJ focus on?

Stora Enso OYJ's top technology area is D21H (Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherwise Provided FOR) with 138 patents, ranking #3 of 361 assignees active in that subclass. Grants appear in 109 CPC subclasses total.

USPTO PatentsView assignee record - 243 granted patents across 109 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: D21H (Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherw).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Stora ranks #1,696 of 49,997 tracked US assignees by granted-patent volume, with 243 patents across 109 technology areas.

#1,696
of 49,997 US assignees by volume: Top 4%
by Innovation Score (58.6/100): 15.1
avg claims per patent: +73%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1696 · Foreign Corporation #1,696 · 243 grants

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

GRANTS-MID 243 grants
TOP-DECILE #1,696/49,997
PHOTO-FINISH Anpec
CPC-WIDE D21H · 109 areas
INNOV-PAR 58.6/100
CLAIMS-RICH 15.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +73% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Anpec Electronics 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 Stora’s 58.6 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 19.0 pts (32%) Velocity 5.5 pts (9%) Breadth 25.0 pts (43%) Claim depth 9.1 pts (16%)

Qualcomm Incorporated · highest

85
Fidelity Information… · near

59
Guangzhou China… · near

59
Saab AB · near

59
Stora Enso OYJ · this assignee

59
Zenuity AB · near

59
3D Lighting… · lowest

7

What this shows Stora's Innovation Score is 58.6/100 (top 4% 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 Stora?

Each dot is one of Stora’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). Stora’s own 15.1 claims/patent is ABOVE the 11.4 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How Stora's grant cadence moved

Between 2020–2024, Stora Enso OYJ received 137 grants versus 79 in 2015–2019 (+73% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2021 at 36 grants and bottomed in 2015 at 10. Lead class D21H accounts for 56.8% of the portfolio across 109 subclasses. Volume neighbours: Anpec Electronics Corporation (#1,692) and Stats ChipPAC, Ltd. (#1,700).

Stora's three-year grant acceleration

From 2019–2021 to 2022–2024, Stora Enso OYJ moved from 87 to 72 grants (0.83x 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 #1,728. See the growth leaderboard.

Anpec

243
Delphi IP

243
Korea Institute O…

243
Spring Meadow Nur…

243
Stora Enso OYJ ◀

243
Canon Finetech Ni…

242
Foxconn (Kunshan)…

242
Shindengen Electr…

242
Stats Chippac

242

What this shows Stora holds 243 patents at rank #1,696, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Stora

By rank, the assignees closest to #1,696 in granted patent volume.

Leaders in D21H (Pulp Compositions)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Stora, neither rank-band nor same-CPC leaders (those blocks stay above). In D21H (Pulp Compositions), Stora ranks #3 of 361 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (59 here).

Saab AB 59 Fidelity Information Services, LLC 59 Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd. 59 Zenuity AB 59

Similar claim depth

Nearest assignees by average claims per patent (15.1 here).

Visteon Global Technologies, Inc. 15.1 avg Sonoco Development, Inc. 15.1 avg University OF Maryland, Baltimore 15.1 avg Kuka Deutschland GmbH 15.1 avg

Stora's Innovation Score vs. every tracked assignee

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

59 Top 4% higher than 96% 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

Stora Enso OYJ patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	10	4.1%
2016	16	6.6%
2017	11	4.5%
2018	20	8.2%
2019	22	9.1%
2020	29	11.9%
2021	36	14.8%
2022	30	12.3%
2023	19	7.8%
2024	23	9.5%
2025partial year	27	11.1%

Which technologies does Stora Enso OYJ patent most?

D21H - Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherwise Provided FOR 138

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 71

C08L - Compositions OF Macromolecular Compounds 63

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 46

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 38

D21F - Paper-making MACHINES; Methods OF Producing Paper Thereon 32

D21C - Production OF Cellulose BY Removing Non-cellulose Substances From Cellulose-containing MATERIALS; Regeneration OF Pulping LIQUORS; Apparatus Therefor 30

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 29

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

Y10T - Technical Subjects Covered BY Former US Classification 23

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 21

C08B - POLYSACCHARIDES; Derivatives Thereof 21

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 21

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 19

C08H - Derivatives OF Natural Macromolecular Compounds 17

Top 15 of 109 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

Stora Enso OYJ's patent record in context - here's where to go next.

Stora Enso OYJ's lead technology class is D21H (Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherw), 56.8% of its portfolio - see every assignee active in that class. Explore D21H
Ranked #1,696 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Stora Enso OYJ against Anpec Electronics Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 58.6/100 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.