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Research dossier · General Reference

Baidu Patents

Chinese online patent search service

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 21, 2026
Entity authorityQ4843187 ↗
Source-derived summary

Baidu Patents, or Baidu Zhuanli (Chinese: 百度专利) is a Chinese free online patent search service, launched on 1 January 2008.

Overview

The Baidu Patents search engine is the result of a collaboration between the China Patent Information Center (CPIC), the Chinese Patent Office (SIPO) and Baidu.

Baidu Patent Search is said to be integrated with a patent database which amounts to 2.7 million Chinese patents.

Editorial summary

Begin with the source’s own compact description: “Baidu Patents” is chinese online patent search service. The dossier treats that line as a proposition to test through Baidu, Patents and Chinese, not as a finished interpretation.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—2008—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Baidu, Patents and Chinese is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “chinese online patent search service” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jan 21, 2026. The linked authority identifier is Q4843187. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2008.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Baidu Patents”, its source revision and the description used here.
  2. Expand the search: follow Baidu Patents primary sources, Baidu Patents archive and Baidu research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Baidu Patents”?
  2. Which cited source is closest to the event, object or claim?
  3. What terminology or title could unlock a more precise catalogue search?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Baidu Patents” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.