Nexeon: check that the 160 matched families are theirs before writing
Nexeon holds 160 patent families: 91 granted and 69 published and pending. Filing began in 2005, with the most recent published filing dated 2025-10-06. The families appear in 15 patent offices: Austria, Australia, China, Europe and Spain.Patent figures from Google Patents Public Data, reviewed 2026-09-14. Funding: $135.4M round, National Wealth Fund, Korea Development Bank and Salica, 2026-08-31. Assignee matching for this company is ambiguous and the figures need manual confirmation.
Nexeon is a leading international developer and manufacturer of breakthrough silicon-based anode materials for lithium-ion batteries.
The funding headline
Nexeon raised $135.4M in a round, with National Wealth Fund and Korea Development Bank among its investors, announced 2026-08-31.
Behind that announcement is a patent position worth examining on its own terms.
What the record contains
160 patent families appear under the company name: 91 granted and 69 published and pending.
Granted claims can be examined today. Pending applications describe what is being pursued, and their scope can still change.
When the filings were made
Filing runs from 2005 to 2025.
Filings from roughly the last eighteen months are not yet published, so the most recent years understate current activity.
Where the claims sit
The claims cluster in batteries and fuel cells and non-metallic elements.
How closely those areas track the product is what turns a count into something usable.
Where protection is being sought
The families appear in 15 patent offices: Austria, Australia, China, Europe and Spain.
Geographic coverage indicates which markets the company expects to matter.
What happens next
The current position is a baseline. What changes around it carries more information than the count does.
What happens next
Which new filings appear as the current applications publish?
Do the granted claims track the product the company is selling?
Which organizations begin filing or citing in the same areas?
Does the assignment record still name the operating entity?
Following those together can distinguish a passing resemblance from a subject deserving deeper investigation.
Common questions
How many patents does Nexeon have?
Nexeon holds 160 patent families as reviewed in 2026-09: 91 granted and 69 published and pending.
How many of Nexeon's patents are granted?
91 of the 160 families are granted, or 57 percent. The remaining 69 are published and still under examination.
What technology do Nexeon's patents cover?
Nexeon's claims cluster in batteries and fuel cells (H01M), non-metallic elements (C01B) and C23C. Recent filing titles include "electroactive materials for use in metal-ion batteries" and "composite particles".
Where has Nexeon filed patents?
Nexeon's families appear in 15 patent offices: Austria, Australia, China, Europe, Spain and United Kingdom.
Who invented Nexeon's patents?
225 inventors are named across the portfolio. The most frequently named is Charles Mason. Inventor names do not establish ownership, which is determined by assignment records.
How much has Nexeon raised?
Nexeon raised $135.4M in a round announced 2026-08-31, with National Wealth Fund, Korea Development Bank, Salica and Invesco among its investors.
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