USPTO 2015–2025 USPTO PatentsView US Corporation

A123 Systems Llc

USPTO PatentsView assignee record — 79 granted patents across 26 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: H01M (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY).

79
Total patents granted
26
CPC technology areas
18.4
Avg claims per patent
-54%
5-year filing velocity

The verdict

A123 holds 79 US patents across 26 technology areas — rank #4,448 of 50,000 tracked assignees.

#4,448
of 50,000 US assignees by volume
Top 13%
by Innovation Score (50.3/100)
18.4
avg claims per patent
-54%
filing velocity, last 5 yrs

Portfolio overview

A123 SYSTEMS LLC has been granted 79 US utility patents between 2015 and 2025, placing A123 SYSTEMS LLC at rank #4,448 across all assignees tracked by PlainPatent. This portfolio spans 26 distinct Cooperative Patent Classification (CPC) subclasses, averaging 18.4 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 US Corporation, A123 SYSTEMS LLC is one of the more focused assignees in the PatentsView dataset. The composite Innovation Score of 50.3/100 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 25 grants, compared with 54 in the 2015–2019 window — a -54% shift in five-year velocity. A cooling filing rate may reflect portfolio consolidation, shifting priorities, or reduced R&D throughput. 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. A123 SYSTEMS LLC's 18.4 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 26 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark A123 SYSTEMS LLC against peers pursuing similar technology classes.

How does A123 compare?

Granted US patents 2015–2025 versus the largest corporate holders — this company marked ◀

patents

What this shows A123 holds 79 patents — placing it at rank #4,448 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

Source USPTO PatentsView — granted utility patents As of 2015–2025

A123's Innovation Score vs. every tracked assignee

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

50 Top 13% higher than 87% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). Below this entry. 30–40: 15,294 US assignees (31%). Below this entry. 40–50: 11,491 US assignees (23%). Below this entry. 50–60: 5,058 US assignees (10%). This entry sits in this band. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

05101520 20152016201720182019202020212022202320242025 8
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
A123 SYSTEMS LLC patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 17 21.5%
2016 10 12.7%
2017 7 8.9%
2018 14 17.7%
2019 6 7.6%
2020 1 1.3%
2021 5 6.3%
2022 2 2.5%
2023 4 5.1%
2024 5 6.3%
2025 8 10.1%

Which technologies does A123 SYSTEMS LLC patent most?

Top 15 of 26 technology areas

Patent Moat Analysis

Portfolio Volume Light
Tech Breadth Multi-domain
Claim Depth Standard
Velocity Declining

Where it ranks

Overall rank by patents

#4,448

Across all tracked assignees

Innovation Score

50.3 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 A123 SYSTEMS LLC hold?
A123 SYSTEMS LLC holds 79 US granted patents filed between 2015 and 2025, spanning 26 technology areas.
What is A123 SYSTEMS LLC's Innovation Score?
A123 SYSTEMS LLC has an Innovation Score of 50.3 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does A123 SYSTEMS LLC focus on?
A123 SYSTEMS LLC's top technology area is H01M (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY) with 73 patents. The company has filed patents in 26 CPC subclasses total.
Is A123 SYSTEMS LLC's patent filing rate increasing or decreasing?
A123 SYSTEMS LLC's recent filing velocity is -54% compared to the prior five-year period. Filing activity has slowed relative to earlier years.
What does claim depth mean for A123 SYSTEMS LLC's patents?
A123 SYSTEMS LLC's patents average 18.4 claims each. This falls within the standard range, providing solid legal coverage.
How is the A123 SYSTEMS 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.

Learn More

How to use this portfolio

A123's 79 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 — A123 ranks #4,448 of 50,000. Top 50 holders
  • Most of this portfolio concentrates in H01M — see who else leads that technology area. H01M 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.

Explore the patent dataset

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.

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