PatentSonar · Coverage stream 01: rare-earth-free permanent magnets
Know every rare-earth-free magnet patent the week it publishes.
One weekly briefing covering iron nitride, Mn–Bi, Mn–Al–C, advanced ferrites, L10 FeNi and rare-earth-lean designs across USPTO, EPO, WIPO, CNIPA, JPO and KIPO. Deduplicated by patent family, translated where needed, and explained in plain English for IP, R&D and strategy teams.
Every number in every issue is pulled from the official record. Nothing is inferred.
The supply-chain race is a patent race
Export controls on rare earths and a US$150M US government loan commitment to Niron Magnetics in 2026 turned rare-earth-free magnets from lab curiosity into industrial strategy. The filings tell you who is ahead.
Free alerts miss what matters
Keyword alerts return one family five times, skip Chinese and Japanese filings, and give you a title, not a reading of the claims. We fix all three.
Built for decisions, not databases
Your team already has a patent database. What it lacks is a weekly, focused analyst read of one strategic technology. PatentSonar runs one coverage stream per technology; rare-earth-free magnets is the first.
What subscribers receive
- Weekly briefing (every Wednesday). New patent families in the niche, grouped by technology, with applicant, offices, priority date and a plain-English competitive note.
- Family deduplication. One entry per invention across US, EP, WO, CN, JP, KR filings, with the representative publication linked to the official record.
- Asia coverage in English. Chinese, Japanese and Korean filings with English titles and abstracts, so nothing is missed because of language.
- Monthly landscape report. Filing trends by applicant, country and technology bucket, with quarter-on-quarter movement.
- Portfolio watch (Team and Enterprise). Named-competitor and CPC-scoped alerts within 48 hours of publication.
Pricing
Billed in USD. Invoices, purchase orders and VAT reverse-charge supported. Cancel any time; see the refund policy.
Analyst
US$249/month
or US$2,490/year
- Weekly briefing
- Monthly landscape report
- 1 reader
- Searchable archive
Team
US$750/month
or US$7,500/year
- Everything in Analyst
- Up to 5 readers
- Portfolio watch: custom watchlists and alerts
- Quarterly analyst briefing (45 min)
- Data export (CSV)
Enterprise
From US$2,000/month
annual contract
- Everything in Team
- Unlimited readers, one legal entity
- Custom CPC/keyword scopes and alerts
- One bespoke mini-landscape report per year
- API / data feed
- Invoicing by PO
Founding-member offer: the first 20 subscribing organisations receive 30% off their first year. Prices are set from the competitor and willingness-to-pay research in our public methodology note and may change; existing subscribers keep their price for the contract term.
Get this week's issue
Send us your work email and we will reply with the current issue. No automated drip, no list sale. Your address is used only to send the sample and, if you ask, to set up a subscription.
Methodology and data sources
Publications are ingested weekly from the USPTO PatentsView API, the EPO Open Patent Services and Google Patents Public Data on BigQuery, matched against a published CPC and keyword scope (H01F 1/047, 1/06, 1/08, 1/10–1/113; C04B 35/26; C01B 21/06; C22C 22/00; H02K 19/10; H02K 1/246 plus 30+ terms), deduplicated by DOCDB family, and reviewed before publication. An automated check refuses to publish any issue citing a number, date or applicant that is not in the ingested record.