Pricing

from $2.00 / 1,000 patent fetcheds

EPO European Patent Search

Search 130M+ patents from the European Patent Office OPS API. Find patents by title, applicant, inventor, IPC/CPC class, or date. Get abstracts, classifications, and Espacenet links. Free EPO API credentials.

Pricing

from $2.00 / 1,000 patent fetcheds

Rating

0.0

(0)

Developer

Ryan Clinton

Actor stats

Bookmarked

Total users

Monthly active users

6.1 days

Issues response

11 days ago

Last modified

Categories

Developer tools

Publication Number

publicationNumber

Optional

Full publication number (country + doc number + kind)

Type:string | null

Country

country

Optional

Country code of the publication

Type:string | null

Document Number

docNumber

Optional

Document number without country prefix or kind code

Type:string | null

Kind Code

kind

Optional

Kind code (e.g. A1, B1)

Type:string | null

Kind Code Meaning

kindCodeMeaning

Optional

Human-readable meaning (e.g. Granted patent, Published application with search report)

Type:string | null

Application Status

applicationStatus

Optional

Patent status: published, granted, translated, utility_model, certificate

Type:string | null

Title

title

Optional

Invention title

Type:string | null

Abstract

abstract

Optional

Patent abstract text

Type:string | null

Applicants

applicants

Optional

List of applicant names (clean, deduped, country code stripped)

Type:array | null

Inventors

inventors

Optional

List of inventor names (clean, deduped, country code stripped)

Type:array | null

Applicants (Detailed)

applicantsDetailed

Optional

Per-applicant structured records: name, ISO country code, and isLikelyCompany flag for downstream registry enrichment (e.g. Companies House)

Type:array | null

Inventors (Detailed)

inventorsDetailed

Optional

Per-inventor structured records: name, ISO country code, and isLikelyCompany flag

Type:array | null

Publication Date

publicationDate

Optional

Publication date in YYYYMMDD format

Type:string | null

Application Number

applicationNumber

Optional

Application number with country prefix

Type:string | null

Application Date

applicationDate

Optional

Application filing date in YYYYMMDD format

Type:string | null

IPC Classifications

ipcClassifications

Optional

International Patent Classification codes

Type:array | null

CPC Classifications

cpcClassifications

Optional

Cooperative Patent Classification codes

Type:array | null

IPC URLs

ipcUrls

Optional

WIPO portal URLs for each IPC classification code

Type:array | null

CPC URLs

cpcUrls

Optional

Espacenet CPC browser URLs for each CPC classification code

Type:array | null

Backward Citations

backwardCitations

Optional

Prior art references cited in this patent

Type:array | null

Citation Count

citationCount

Optional

Number of backward citations (prior art references)

Type:integer | null

Family ID

familyId

Optional

Patent family ID

Type:string | null

Family Members

familyMembers

Optional

Patent family members (equivalent filings in other countries)

Type:array | null

Espacenet URL

espacenetUrl

Optional

Link to patent on Espacenet

Type:string | null

Is Granted

isGranted

Optional

Whether the patent has been granted (derived from kind code)

Type:boolean | null

Primary Applicant

primaryApplicant

Optional

First applicant name (normalized for quick filtering)

Type:string | null

Primary Applicant Country

primaryApplicantCountry

Optional

ISO country code of the primary applicant (e.g. GB, DE, US) — useful for filtering to UK companies before Companies House lookups

Type:string | null

Primary Applicant Is Likely Company

primaryApplicantIsLikelyCompany

Optional

True when the primary applicant name contains a legal-entity suffix (LTD, LIMITED, GMBH, INC, etc.) — flags rows worth enriching against company registries

Type:boolean | null

Year

year

Optional

Publication year (derived from publicationDate)

Type:integer | null

Jurisdiction Count

jurisdictionCount

Optional

Number of jurisdictions where this patent is filed (1 + family members)

Type:integer | null

Data Completeness

dataCompleteness

Optional

Completeness score 0-1 based on available fields (abstract, citations, classifications, etc.)

Type:number | null

Is New

isNew

Optional

Whether this patent is new since the last monitor mode run. Null in search/lite modes.

Type:boolean | null

Record Type

recordType

Optional

Discriminator for filtering. Stable enum (additive only): patent, summary, error.

Type:string | null

Schema Version

schemaVersion

Optional

Output-contract version (semver). Bumped additively when the record shape changes.

Type:string | null

Summary

summary

Optional

Plain-English one-line summary (<=280 chars) an LLM or agent can quote without joining fields.

Type:string | null

Change Flag

changeFlag

Optional

Monitor mode only. Stable enum (additive only): NEW (first time seen), GRANTED (a tracked application is now granted), FAMILY_EXPANDED (new jurisdictions added since last run), CITATIONS_INCREASED (more backward citations than last run), UNCHANGED. Null in search/lite modes.

Type:string | null

Normalized Applicant

normalizedApplicant

Optional

Primary applicant with legal-entity suffixes stripped and case normalized, so spelling variants ("Samsung SDI Co., Ltd." / "SAMSUNG SDI CO LTD") collapse to one canonical key for grouping.

Type:string | null

Technology Field

technologyField

Optional

Official WIPO IPC title for the patent's primary classification (subclass title where curated, else the 8-section title). Real published classification names — never invented labels.

Type:string | null

Citation Percentile

citationPercentile

Optional

0-100 rank of this patent's backward-citation count within the delivered result set. Null on single-result runs.

Type:integer | null

Citation Strength

citationStrength

Optional

Band derived from citationPercentile: high (>=80), medium (>=50), low (<50). Null on single-result runs.

Type:string | null

Family Countries

familyCountries

Optional

Distinct jurisdictions the patent family spans (including this publication's country). Empty unless includeFamilyMembers is enabled.

Type:array | null

Family Coverage Score

familyCoverageScore

Optional

0-100 breadth score weighting the five major offices (US/EP/CN/JP/KR) + WO plus total jurisdiction spread. Higher = broader international protection. Null unless includeFamilyMembers is enabled.

Type:integer | null

Patent Strength Score

patentStrengthScore

Optional

0-100 heuristic strategic-strength proxy: granted status (30) + family breadth (30) + citation depth (40). NOT a valuation — a deterministic sortable signal. The family component needs includeFamilyMembers to be meaningful.

Type:integer | null

Strength Factors

strengthFactors

Optional

Auditable breakdown of patentStrengthScore: granted (0 or 30), familyCoverage (0-30), citations (0-40). The three sum to patentStrengthScore.

Type:object | null

Business Significance

businessSignificance

Optional

Deterministic 'should a non-expert care?' tier. high (>=2 of: granted, family spans 4+ jurisdictions, 10+ citations), medium (exactly 1), low (none). Stable enum.

Type:string | null

Technology Section

technologySection

Optional

Official WIPO IPC section title (the broad level above technologyField) — e.g. Electricity, Chemistry; Metallurgy, Physics. Forms a 2-level taxonomy with technologyField.

Type:string | null

Priority Tier

priorityTier

Optional

Read-this-first triage. Stable enum: critical / high / medium / low. Derived from patentStrengthScore + recency + whether the applicant is a top filer in the set.

Type:string | null

Citations Per Year

citationsPerYear

Optional

Age-normalized citation influence (citationCount divided by years since publication) — a fairer impact signal than raw citation count. Null when publication year is unknown.

Type:number | null

Protection Strategy

protectionStrategy

Optional

Filing strategy inferred from the jurisdictions the family spans. Stable enum: global / regional / national. Null unless includeFamilyMembers is enabled.

Type:string | null

Alert Severity

alertSeverity

Optional

Monitor mode only. Prioritised alert level. Stable enum: critical / high / medium / info. Null in search/lite/landscape modes.

Type:string | null

Alert Headline

alertHeadline

Optional

Monitor mode only. Deterministic plain-English 'what changed' line (e.g. "Samsung SDI expanded battery protection into CN, JP"). Template-generated, no LLM. Null when nothing changed.

Type:string | null

Alert Reasons

alertReasons

Optional

Monitor mode only. Stable reason codes behind the alert: granted, new_family_members, new_filing, new_citations, high_priority_patent, top_applicant.

Type:array | null

Family Timeline

familyTimeline

Optional

Chronological 'where did this invention spread' — earliest filing date per jurisdiction ({ country, date }). Empty unless includeFamilyMembers is enabled.

Type:array | null

Expansion Velocity

expansionVelocity

Optional

How quickly the invention spread internationally. Stable enum: fast (3+ jurisdictions within ~24 months), moderate (within ~48), slow. Null unless the family spans 2+ jurisdictions.

Type:string | null

First Seen At

firstSeenAt

Optional

ISO timestamp this publication first appeared in the monitor watchlist. Null in search/lite modes.

Type:string | null

Runs Seen

runsSeen

Optional

Number of monitor runs this publication has appeared in. Null in search/lite modes.

Type:integer | null

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