USPTO 2015–2025 USPTO PatentsView US Corporation

Domtar Paper Company, Llc

USPTO PatentsView assignee record - 18 granted patents across 20 technology areas, active 2016–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. 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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

18.7

Avg claims per patent

+400%

5-year filing velocity

The verdict

Domtar holds 18 US patents across 20 technology areas, rank #15,964 of 50,000 tracked assignees.

#15,964
of 50,000 US assignees by volume: Top 13%
by Innovation Score (50.5/100): 18.7
avg claims per patent: +400%
filing velocity, last 5 yrs

Portfolio overview

Domtar Paper Company, Llc has been granted 18 US utility patents between 2016 and 2025, placing Domtar Paper Company, Llc at rank #15,964 across all assignees tracked by PlainPatent. This portfolio spans 20 distinct Cooperative Patent Classification (CPC) subclasses, averaging 18.7 claims per patent with primary concentration in 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). As a US Corporation, Domtar Paper Company, Llc is one of the more focused assignees in the PatentsView dataset. By volume, Domtar sits between Diageo North America, Inc. (18 patents, rank #15,960) and Dr. Falk Pharma Gmbh (18 patents, rank #15,968) - the closest US assignees by grant volume. The composite Innovation Score of 50.5/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 15 grants, compared with 3 in the 2015–2019 window, a +400% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The US Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Domtar Paper Company, Llc's 18.7 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 20 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Domtar Paper Company, Llc against peers pursuing similar technology classes.

Diageo North Amer…

18
Direct Supply

18
Distance Oy

18
Dixie Consumer Pr…

18
Dong Guan Bright…

18
Dongguan Zhengyan…

18
Dorel Home Furnis…

18
Dr Falk Pharma

18
Domtar Paper ◀

18

What this shows Domtar holds 18 patents at rank #15,964, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Domtar

By rank, the assignees closest to #15,964 in granted patent volume.

Leaders in D21H (PULP Compositions)

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

Domtar's Innovation Score vs. every tracked assignee

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

51 Top 13% higher than 87% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Domtar Paper Company, Llc patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	5.6%
2018	2	11.1%
2020	3	16.7%
2021	1	5.6%
2022	4	22.2%
2023	1	5.6%
2024	3	16.7%
2025	3	16.7%

Which technologies does Domtar Paper Company, Llc 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 16

D21D - TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE 9

D21C - PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR 5

D02J - FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE 3

D21B - FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT 3

D01B - MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING 3

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 3

Y02W - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT 2

D21F - PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON 1

D21J - FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE 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

C12N - MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA 1

C12Y - ENZYMES 1

B31F - MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER 1

C04B - LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE ; CERAMICS ; REFRACTORIES; TREATMENT OF NATURAL STONE 1

Top 15 of 20 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Multi-domain

Claim Depth Standard

Velocity Accelerating

Where it ranks

Overall rank by patents

#15,964

Across all tracked assignees

Innovation Score

50.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Domtar Paper Company, Llc hold?

Domtar Paper Company, Llc holds 18 US granted patents filed between 2016 and 2025, spanning 20 technology areas.

What is Domtar Paper Company, Llc's Innovation Score?

Domtar Paper Company, Llc has an Innovation Score of 50.5 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Domtar Paper Company, Llc focus on?

Domtar Paper Company, Llc'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 16 patents. The company has filed patents in 20 CPC subclasses total.

Is Domtar Paper Company, Llc's patent filing rate increasing or decreasing?

Domtar Paper Company, Llc's recent filing velocity is +400% compared to the prior five-year period. This indicates accelerating innovation.

What does claim depth mean for Domtar Paper Company, Llc's patents?

Domtar Paper Company, Llc's patents average 18.7 claims each. This falls within the standard range, providing solid legal coverage.

How is the Domtar Paper Company, 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.

How to use this portfolio

Domtar's 18 grants land it in the top 13% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - Domtar ranks #15,964 of 50,000. Top 50 holders
Most of this portfolio concentrates in D21H - see who else leads that technology area. D21H leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.