Where does Rockwood Lithium GMBH rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Rockwood Lithium GMBH ranks #18,056 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 Rockwood Lithium GMBH hold?

Rockwood Lithium GMBH holds 16 US utility patents granted between 2015 and 2019, spanning 19 technology areas.

What is Rockwood Lithium GMBH's Innovation Score?

Rockwood Lithium GMBH has an Innovation Score of 34.8 out of 100 (49th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Rockwood Lithium GMBH focus on?

Rockwood Lithium GMBH's top technology area is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy) with 8 patents, ranking #620 of 2,332 assignees active in that subclass. Grants appear in 19 CPC subclasses total.

Is Rockwood Lithium GMBH's patent grant rate increasing or decreasing?

Rockwood Lithium GMBH's recent grant velocity is -100% 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 Rockwood Lithium GMBH's patents?

Rockwood Lithium GMBH's patents average 16.0 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 Rockwood Lithium GMBH 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

Rockwood Lithium GMBH

USPTO PatentsView assignee record - 16 granted patents across 19 technology areas, recorded in grant years 2015–2019. 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: H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Rockwood ranks #18,056 of 49,997 tracked US assignees by granted-patent volume, with 16 patents across 19 technology areas.

#18,056
of 49,997 US assignees by volume: 49th percentile
by Innovation Score (34.8/100): 16.0
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R18056 · Foreign Corporation #18,056 · 16 grants

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

GRANTS-MICRO 16 grants
MID-PACK #18,056/49,997
PHOTO-FINISH Rapala VMC
CPC-FOCUS H01M · 19 areas
INNOV-THIN 34.8/100
CLAIMS-RICH 16.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Rapala VMC 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 Rockwood’s 34.8 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 9.8 pts (28%) Velocity 0.0 pts (0%) Breadth 15.4 pts (44%) Claim depth 9.6 pts (28%)

Qualcomm Incorporated · highest

85
Rockwood Lithium · this assignee

35
3D Lighting… · lowest

7

What this shows Rockwood's Innovation Score is 34.8/100 (49th 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 Rockwood?

Each dot is one of Rockwood’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). Rockwood’s own 16.0 claims/patent is ABOVE the 9.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Rockwood's grants concentrate

Rockwood Lithium GMBH is a focused PatentsView assignee: 19 CPC subclasses with 50% of grants classified under H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy). Peak complete grant year is 2015 (6 grants) versus a trough of 1 in 2018. By volume, Rockwood sits between Republic OF KOREA(MANAGEMENT: Rural Development ADMINISTRATION) and Real View Imaging Ltd..

Republic OF Korea…

16
Republic Tobacco

16
Rheon Labs

16
RO5

16
Roctool

16
Roesler IP

16
Rapala VMC

16
Real View Imaging

16
Rockwood Lithium ◀

16

What this shows Rockwood holds 16 patents at rank #18,039, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Rockwood

By rank, the assignees closest to #18,039 in granted patent volume.

Leaders in H01M (Processes OR Means)

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

Rockwood's Innovation Score vs. every tracked assignee

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

35 49th percentile higher than 49% 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 · 2015–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Rockwood Lithium GMBH patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	37.5%
2016	4	25.0%
2017	4	25.0%
2018	1	6.3%
2019	1	6.3%

Which technologies does Rockwood Lithium GMBH patent most?

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 8

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 7

C01D - Compounds OF Alkali Metals, i.e. Lithium, Sodium, Potassium, Rubidium, Caesium, OR Francium 6

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 6

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 5

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 5

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 5

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 3

B22F - Working Metallic POWDER; Manufacture OF Articles From Metallic POWDER; Making Metallic Powder ; Apparatus OR Devices Specially Adapted FOR Metallic Powder 2

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 2

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

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

C01G - Compounds Containing Metals NOT Covered BY Subclasses C01d OR C01f 2

C22B - Production AND Refining OF Metals ; Pretreatment OF RAW Materials 2

H01B - CABLES; CONDUCTORS; INSULATORS; Selection OF Materials FOR Their Conductive, Insulating OR Dielectric Properties 2

Top 15 of 19 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

Rockwood Lithium GMBH's patent record in context - here's where to go next.

Rockwood Lithium GMBH's lead technology class is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy), 50% of its portfolio - see every assignee active in that class. Explore H01M
Ranked #18,056 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Rockwood Lithium GMBH against Republic OF KOREA(MANAGEMENT: Rural Development ADMINISTRATION), an assignee filing at a similar volume. Compare portfolios
Innovation Score of 34.8/100 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.