Where does OXIS Energy Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), OXIS Energy Limited ranks #18,995 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 OXIS Energy Limited hold?

OXIS Energy Limited holds 15 US utility patents granted between 2015 and 2022, spanning 10 technology areas.

What is OXIS Energy Limited's Innovation Score?

OXIS Energy Limited has an Innovation Score of 31.9 out of 100 (top 61% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is OXIS Energy Limited's patent grant rate increasing or decreasing?

OXIS Energy Limited's recent grant velocity is -33% 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 OXIS Energy Limited's patents?

OXIS Energy Limited's patents average 14.2 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 OXIS Energy Limited 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

OXIS Energy Limited

Q: What technology areas does OXIS Energy Limited focus on?

OXIS Energy Limited's top technology area is H01M (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY) with 15 patents. Grants appear in 10 CPC subclasses total.

USPTO PatentsView assignee record - 15 granted patents across 10 technology areas, recorded in grant years 2015–2022. 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

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, OXIS ranks #18,995 of 50,000 tracked US assignees by granted-patent volume, with 15 patents across 10 technology areas.

#18,995
of 50,000 US assignees by volume: Top 61%
by Innovation Score (31.9/100): 14.2
avg claims per patent: -33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R18995 · Foreign Corporation #18,995 · 15 grants

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

GRANTS-MICRO 15 grants
MID-PACK #18,995/50,000
PHOTO-FINISH Oasis Medical
CPC-FOCUS H01M · 10 areas
INNOV-THIN 31.9/100
CLAIMS-RICH 14.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Oasis Medical, Inc. (±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
OXIS Energy · this assignee

32
3D Lighting Innovati… · lowest

7

What this shows OXIS Energy Limited stamps GRANTS-MICRO, MID-PACK, PHOTO-FINISH, CPC-FOCUS, INNOV-THIN, CLAIMS-RICH, TYPE-FRNCORP, VEL-DOWN, BOOK-FULL. Volume places it #18,995 of 50,000; Innovation Score 31.9/100 sits in the top 61% of the PatentsView-derived corpus. Closest grant-volume peer on this plate is Oasis Medical, Inc. (±0 grants).

Portfolio overview

OXIS Energy Limited has been granted 15 US utility patents between 2015 and 2022, placing OXIS Energy Limited at #18,995 of 50,000 across all assignees tracked by PlainPatent. This portfolio spans 10 distinct Cooperative Patent Classification (CPC) subclasses, averaging 14.2 claims per patent with primary concentration in H01M (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY). As a Foreign Corporation, OXIS Energy Limited is one of the more focused assignees in the PatentsView dataset. By volume, OXIS sits between Oriental Motor Co., Ltd. (15 patents, rank #18,966) and Obeebo Labs Ltd. (15 patents, rank #18,974) - the closest US assignees by grant volume. The composite Innovation Score of 31.9/100 blends portfolio volume, grant velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Grant cadence records the difference between two grant-year windows. Between 2020 and 2024 the company received 6 grants, compared with 9 in the 2015–2019 window, a -33% shift in five-year grant velocity. Both windows cover five complete grant years; the latest PatentsView year is a partial release and is excluded from this comparison, though it still appears in the yearly table and chart below. Grant timing can lag the related application by years, so this comparison does not establish current R&D spending, strategic intent, or a company’s application activity. The Foreign Corporation classification provides context for the assignee record, not a conclusion about its business strategy.

Claim depth and technology breadth describe this aggregate record. OXIS Energy Limited's 14.2 average claims per patent is an average count, not a measure of claim scope, legal strength, enforceability, or design-around risk. The record spans 10 CPC subclasses. Combined with portfolio volume, these figures let readers compare the documented grant records of assignees in similar technology classes.

Oriental Motor

15
Orihiro Engineeri…

15
Otico

15
Otsuka America Ph…

15
Oxitec

15
Oasis Medical

15
Oasyschair

15
Obeebo Labs

15
OXIS Energy ◀

15

What this shows OXIS holds 15 patents at rank #18,970, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near OXIS

By rank, the assignees closest to #18,970 in granted patent volume.

Leaders in H01M (Processes OR Means)

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

OXIS's Innovation Score vs. every tracked assignee

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

32 Top 61% higher than 39% 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 · 2015–2022

Grants by year

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

View data table

OXIS Energy Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	20.0%
2018	5	33.3%
2019	1	6.7%
2020	2	13.3%
2021	2	13.3%
2022	2	13.3%

Which technologies does OXIS Energy Limited patent most?

H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 15

Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION 14

Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS 5

H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 5

G01R - MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 4

Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION 2

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 1

G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS 1

G01C - MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1

B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES ; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICL 1

Top 10 of 10 technology areas

Where it ranks

Overall rank by patents

#18,995

of 50,000 tracked assignees

Innovation Score

31.9 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.