ICIC 2014 Patent Citation Analysis: Tools and Techniques

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Jane List

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Consultancy Search Services Training Patent Information

Patent citation analysis: tools and techniques

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Monday 13th October 2014, Heidelberg, Germany

Jane List

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Consultancy Commercialisation strategy

Content development for marketing, presentations and trainings Evaluation of databases and information sources

Product development SME IP related services include

IP management, identification of funding opportunities, markets, potential customers, information for technology and landscape analysis

Search Services Competitive intelligence Literature and systematic reviews

Landscaping Patent searching

Technology scouting

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Citations in search / analysis

References cited during examination

Cited / citing references in databases

Recommendations

Patent citation analysis: tools and techniques

Citation Intelligence

Patentability

Identify key (platform) inventions

Key inventors

Identify potential competitors

Identify potential clients

State of the Art

Patent Landscaping Claims scope

Patent watching

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Collaborations

Narrow analysis Broad analysis

Forward searching from a known key patent

Add additional terms, classifications, inventors

to your search

Cited references Citing references

Patent citation counting

Invalidity

Cited references in research papers

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• added by the author before submitting the paper for publication

• represent the field of research relevant to the author’s work

http://wokinfo.com/sci-anniversary.html

1.Cited References –on patents

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6 EP’723, EP’565, EP’654, DE’995,

JP’721

EP’723, EP’565, EP’654,

DE’601

2.Cited References – on patents

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4

• added by the inventor, examiner, in opposition at different times

• found in the specification, on the search report, and in file histories

3. Cited references –in IP5 Common Citation Document

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JPH436172

5

24

• single place for offices to share search results

• But DE 1503601 opposition reference missing

4. Cited References -in European patent register

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9

https://register.epo.org

• review file history for complete picture

5.Cited References –in espacenet

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3

http://worldwide.espacenet.com

Cited documents

• cited patent references from first publication

6. Cited References -in global patent index

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5

https://data.epo.org/expert-services

• cited references found with applications

7. Cited References –in Thomson Innovation

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5

• references from application stage(s) collected

• DE 1503601 opposition reference missing

• JP references to PAJ treated as NPL so not directly searchable

http://www.thomsoninnovation.com

8. Cited References –in Thomson Innovation – backward citation maps

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2 generations of backward citations

WO94000046A1

EP647114A1/B1/B2

9. Citing References –in Thomson Innovation

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791 http://www.thomsoninnovation.com

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10. Cited/ citing references –in google patents

https://www.google.com/patents

24

CN citations

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Recommendations

Patent information users

(Patent) information providers

Provide date citations added

Add appeal citations

Do not add citing patents link if there are none

Facilitate direct searching of o Patent citations posted as

NPL

o Inventor citations from the text

o Scientific literature

Forward and backward citation searching can improve results, but

use technology checks in broad searching

remember citation practice varies by authority

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Patent databases providing citation data

• Free databases – Common Citation Document http://ccd.fiveipoffices.org/CCD-2.0.4

– Espacenet www.epo.org – Patentscope www.wipo.org – Google / patents www.google.com/patents

• Subscription databases – Derwent World Patent Index www.thomsonreuters.com – Global Patent Index www.epo.org – IntellexIR www.intellexir.com – Patbase www.patbase.com – ProQuest Dialog http://search.proquest.com/professional – Questel (Pluspat/ Fampat) www.questel.com – Thomson Innovation www.thomsoninnovation.com – TotalPatent www.lexisnexis.com

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Resources for patents and citation searching

Articles: Forward searching – A complement to keyword- and class-based patentability searches, Olivier Couteau, World Patent Information, 2014, 37, June 2014, Pages 33–38 An A to X of patent citations and searching, Jane List, World Patent Information, 2010, 32, p. 306-312. Books: The Future of the History of Chemical Information (Ch. 5 Patents and patent citation searching) Editor(s): Leah R. McEwen, Robert E. Buntrock; Vol. 1164, Publication Date (Web): August 6, 2014, ACS Division of Chemical Information, ISBN13: 9780841229457, DOI: 10.1021/bk-2014-1164 Websites: 50 years of Science Citation Index http://wokinfo.com/sci-anniversary.html

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Case studies

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Patent landscaping