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The Derwent Patent Family and Its Application in Patent Statistical Analysis

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The Derwent Patent Family and Its Application in Patent Statistical Analysis The Derwent patent family and its application in Patent Statistical Analysis WIPO-OECD Workshop on Statistics in the Patent Field, Geneva, Sept 18-19, 2003 Doina Nanu, Thomson Derwent PatentPatent familyfamily -- backgroundbackground • 1883 – Paris convention on Protection of Industrial Property • Complexity of patenting system • National route – several publications • Multi-national route • Priority information • Specificity of the national patent law • Same invention -multiple languages Derwent patent family –general concept • Patents covering the same invention • Pre-processing steps of patent data: • Standardisation and validation of incoming patent data • Document, application and priority numbers and dates • IPC validation/correction • Company names validation/standards codes Derwent patent family-general rules Family: F1 Priority: P1+P2 Document: D1 Basic: D1 Family: F1 Priority: P2 Related Families: Document: D2 Equivalent: D2 F1+F2 Basic: D1 Priority: P1+P2+P3 Family: F2 Document: D3 Basic: D3 Derwent patent family – more rules • Divisional and continuation patent applications – same status as original document • Non –convention equivalents – applications filed by non residents in a country • No priority data other than local filing details • Usually outside the twelve months period stipulated by the Paris Convention • Criteria used for identification of equivalency: inventor names and countries of residence, subject matter, drawings and diagrams, etc Derwent Basic patent Derwent non-con equivs. KVAERNER MASA YARDS OY SAEIKKOE J; VEIKKOLAINEN M KEVANAL MASHA-YADES OY J. SACO; M. WIKLANIN Patent data mining and visualisation • Derwent Analytics powered by VantagePoint • Desktop software optimised for use with Derwent World Patents Index • Built in intelligence enhances value-add characteristics of the data • Comprehensive global country coverage • Derwent classification and manual codes • Patent assignee codes • Titles and abstracts • Provides intuitive maps • Uses natural language processing and grouping function Derwent Analytics - case study • General Technology search on Computer Security Systems • Identify ways in which Derwent Analytics can be used in discovering knowledge within this technology area • Competitive intelligence • Research and development • Licensing opportunities Where are the competitors? 300 250 200 150 Top Ten Priority Countries by Basic Patent Year 100 # of Patent Families 50 0 1978 1981 United States of America United Kingdom1983 European Patent Office Sweden 1984 1985 1986 1987 1988 1989 1990 Japan Basic Patent Year Republic of Korea1991 Australia 1992 1993 1994 1995 1996 1997 1998 Germany France 1999 WIPO (PCT) 2000 2001 2002 Where is the market? Top Ten Family Member Countries By Basic Patent Year 600 500 400 300 200 # of Patent Families Patent # of 100 0 1978 1981 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Basic Patent Year United States of America Japan WIPO (PCT) European Patent Office Australia Germany Canada Republic of Korea United Kingdom China # of Patent Families Profile keyplayersandtheir 10 20 30 40 50 60 0 1978 1979 CANON KK MOTOROLA INC HITACHI LTD INT BUSINESS MACHINES CORP 1980 1981 1982 1983 Patent Assignees by Priority Years (earliest) Years Priority Patent Assigneesby 1984 1985 1986 SUN MICROSYSTEMS INC MICROSYSTEMS SUN SIEMENS AG TOSHIBA KK Priority Years (earliest) Years Priority 1987 1988 1989 patenting activityovertime 1990 1991 1992 1993 MICROSOFT CORP MICRON TECHNOLOGY INC CORP NEC 1994 1995 1996 1997 1998 1999 2000 2001 2002 Discover prolific inventor groups and tech focus How is the research focus shifting within companies? International Classifications (Main) (4-digit) by Basic Patent Year for HITACHI LTD 7 6 5 4 3 # of Inventions 2 1 0 1984 1989 1990 1995 1996 1997 1998 1999 2000 2001 2002 Basic Patent Year G06F-Self contained input/output peripheral equipment G09G-Analog optical computing devices G11C-Information Storage H01L-Semiconductor Devices (solid state) H04L-Transmission of Digital Information (software) H04M-Telephonic communication (hardware) Summary • Patent family – relative and complex concept • Derwent Patent Family + Derwent Analytics – powerful information tool to: • explore the dynamics of the technology landscape • identify patenting trends • identify major players, global competitors • derive value-add statistics ThankThank youyou For additional information please visit www.derwent.com or contact Doina Nanu at [email protected].
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