ipc webinar 2013 final.ppt - wipo.int · to know further about ipc, please read guide to the...
TRANSCRIPT
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Patent Classification
Advantages
WebinarJuly 11 and 12, 2013
Monika Zikova
Project Officer
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Overview
Classification systems
Classification of patents
Advantages and disadvantages of patent
classification
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Webinar: Asking questions
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Webinar: Asking questions
� Enter your question
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Webinar: Asking questions
� Press "Send"
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Webinar: Asking questions
� See your questions and answers
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You go to a library to do research on machine
translation methods.
How would you find books on this topic?
Case example: Library
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Search books by title?
Challenges:
Synonyms and related terms - ‘natural language
processing’, ‘computational linguistic’ or ‘human language
technology’
Technical jargon - ‘statistical inference algorithms’
Language barriers
Searching by title: challenges
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0 Computer science, information & general works
00 Computer science, knowledge & systems
004.006 Special computer methods
004.006.35 Natural language processing: Special
Computer methods related to processing
of language
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
410.285 Linguistics, computational linguistics
combined with 418.02 Translating
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Advantages of classification
Simplify life
Help to find information
Serve as reference tool → generate knowledge
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Classification of patents
Ordering and more efficient retrieval
To help patent examiners and other users
Photo
: IP
O C
Z
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Patent documents
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Case example: Watches
Use International Patent Classification
Locate and analyze classification code G04B 33/06
� Extremely flat caliber watches
Photo
: V
achero
nC
onsta
ntin
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The structure of the IPC
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G Physics
Subclass
G04 HorologyClass
G04B 33 Calibers
G04B Mechanically-driven clocks
Subgroup G04B 33/06 Extremely flatB
Group
The structure of the IPC
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Layout of classification symbols
G 04 B 33 / 06
Section Class Subclass Main Group Sub-Group
PH
YS
ICS
HO
RL
OG
Y
ME
CH
AN
ICA
LLY
-
DR
IVE
N C
LO
CK
S
CA
LIB
ER
S
FL
AT
CA
LIB
ER
S
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http://www.wipo.int/ipcpub
IPC internet publication
Symbol
Terms
search
Text search
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Browsing the IPC
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PDF, SubclassesDefinitions
CatchwordsBridges
Browsing the IPC
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Other patent classification systems
File Index (FI)/F-terms
� Japan
Cooperative Patent Classification (CPC)
� EPO, USA, UK, Spain, Sweden, China
Commercial database producers
� e.g. Derwent Classification System
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Advantages of patent classification
Applied in a standardized manner
Available for all (almost) patent documents
Available for old patent documents for which
little or no searchable text is available
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Patent classification vs. keywords
Terminology and jargon independent
(including changes in terms used over time)
Context and language independent
� A more complete and precise search
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Case Example: Helmets
Search in PATENTSCOPE all WO documents
Compare keyword and classification search
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Search in PATENTSCOPE all WO documents
with keyword ‘helmet*’
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Quick keyword search
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Search in PATENTSCOPE all WO documents
with IPC code for helmets
�Find the best IPC available
�Use IPC code in your search
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Finding the ‘right’ code
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Quick classification search
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Sample results
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240 documents
have neither
‘helmet*’ nor
‘headgear’
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Disadvantages of patent classification
Potentially complex
May not be
detailed enough for all areas of technology
available for all documents
specific enough for a particular search
applied consistently
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eTutorial on Patent Information
http://www.wipo.int/tisc/en/etutorial.html
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To know further about IPC, please read Guide to the
International Patent Classification at www.wipo.int
To learn about CPC, please check www.cpcinfo.org
For patent classification in general:
Regional/National patent offices, Intellogist, The
British Library etc.
Useful links and resources
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For more about efficient use
of patent classification
stay tuned!
For general information, please contact
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And now, it’s time for questions!