Patent Family Data and Statistics at the European Patent Office
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European Patent Office Patent family data and statistics at the European Patent Office. Peter Hingley; EPO, Munich Walter Park; American University, USA WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 1. Introduction ¾ 2. Construction of families ¾ 3. Sociology of families ¾ 4. Timeliness of families data ¾ 5. Statistical description of filing trends ¾ 6. Families as a basis for forecasting filings ¾ 7. Conclusions WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 2. Construction of patent families Priority forming DOCDB publications database First Filings Applications, Grants (with references to priorities) Priority 1 Application A Priority 2 Application B Priority 3 Application C, Grant C Rearrange as families (PRI file) : Family 1 Priority 1 Application A Status A Family 2 Priority 2 Application A, Application B Status A Family 3 Priority 3 Application C, Grant C Status G Country & Bloc of Filing (EPC, Japan, US, Others), Applicant & Inventor Names, Priority date, Subsequent filings dates, Utility model / Patent, Classification (IPC & NACE), PCT involved, EPO involved. WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families Families originating from first filings in EPC contracting states (including EPO first filings) in 1997. Monolateral families ("First") First: 127179 Out: 42700 T.P.F: 15539 Bilateral familes ("Out") Trilateral patent families ("T.P.F.") WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families From EPC to any other Blocs (Priority Year 1997) 129179 EPC US and/or and/or JAPAN OTHERS 42700 (33%) WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families From EPC to Other Trilateral Blocs (Priority Year 1997) 129179 EPC US and/or JAPAN 33880 (26%) WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families Trilateral patent families from EPC (Priority Year 1997) 129179 EPC US and JAPAN 15339 (12%) WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families Trilateral patent families (Priority Year 1997) 129179 EPC 15339 (12%) 151652US23458 (16%) T.P.F. 20255 (6%) JAPAN 348329 2254 (2%) OTHERS 133254 WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families Families subsequent filings to EPO (Priority Year 1997) 129179 48647 EPC EPO 32124 19979 36231 25143 151652US 3748 JAPAN 348329 5783 OTHERS 133254 WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families Families from EPC using the PCT system (Priority Year 1997) EPC 24186 (86%) 27999 US 12657 (45%) PCT 13281 (47%) JAPAN 19885 (71%) OTHERS WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families Consolidation of families - Minimum bound Priority filings Subsequent filings x x x x x x Φ x x Θ x x x x x x x l = pΦ = yΘ = 10 p = 7 y = 8 Φ = average number of subsequent filings linked to a priority filing. Θ = average number of priority filings linked to a subsequent filing. WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 3. Sociology of patent families Consolidation of families Minimum bound: cmin = p + y - l Important formula: l = pΦ = yΘ Therefore: cmin = p - (Θ -1)y Maximum bound is effectively p. Preliminary comparison exercise by EPO / OECD on priorities in 1993. Consolidation reduced OECD Triadic patent families to 71% of the unconsolidated number. Minimum bound on EPO data was 67%. System works for Bilateral families. Need to think carefully about the extension to Trilateral patent families. WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 4. Timeliness of patent family data Trends in Φ and Θ. EPC Contracting states priorities flowing to EPO (includes all first filings at EPO). 1.30 1.25 1.20 Theta 1.15 Phi Phi trend 1.10 1.05 1.00 1990 1992 1994 1996 1998 2000 2002 WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 4. Timeliness of patent family data Trends in Φ and Θ. Japan priorities flowing to EPO. 1.70 1.60 1.50 1.40 Theta Phi 1.30 Phi trend 1.20 1.10 1.00 1990 1992 1994 1996 1998 2000 2002 WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 4. Timeliness of patent family data Trends in Φ and Θ. U.S. priorities flowing to EPO. 1.60 1.50 1.40 Theta 1.30 Phi Phi trend 1.20 1.10 1.00 1990 1992 1994 1996 1998 2000 2002 WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 4. Timeliness of patent family data Trends in Φ and Θ. Others priorities flowing to EPO. 3.00 2.80 2.60 2.40 2.20 Theta 2.00 Phi Phi trend 1.80 1.60 1.40 1.20 1.00 1990 1992 1994 1996 1998 2000 2002 WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 4. Timeliness of patent family data Fig. 1 a) Subsequent filings to EPO from various blocs of origin (y). 160000 140000 120000 All 100000 y 80000 60000 EPC 40000 US Japan 20000 Others 0 1993 1994 1995 1996 1997 1998 1999 2000 Year of priority forming first filing. WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 4. Timeliness of patent family data Fig. 1 b) Numbers of families leading to subsequent filings at the EPO from various blocs of origin (p). Points are actual values from the PRI file, and lines are trends (see Annex A). 140000 120000 All 100000 80000 p 60000 EPC 40000 U.S. Japan 20000 Other 0 1993 1994 1995 1996 1997 1998 1999 2000 Year of priority forming first filing. WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 5. Statistical description of filing trends Origin All 1984 Origin All 1994 A H A H H A A A H H H A B First: 495539 B B First: 662257 G Out: 74784 B B Out: 108995 G G T.P.F.: 36567 B G T.P.F.: 49888 Origin All 1999 G G F C F E D F C C E D C F E D F C A E D C E D F H A ED H A Human necessities H A B Performing Operations B C Chemistry & Metallurgy First: 798634 B Out: 163648 B D Textiles & Paper T.P.F.: 31291 G E Fixed Constructions G F Mechanical Engineering G C G Physics F E D C C H Electricity F ED F ED WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 5. Statistical description of filing trends Origin EPC Contracting States 1984 Origin EPC Contracting States 1994 H A H A H A H A H H A A G G G B G G G B First: 96716 B First: 107661 F Out: 24723 Out: 32634 B F T.P.F.: 14459 TPF: 10866 B B F Origin EPC 1999 F F E F E E D C E D C D D E C E C D D C H A C A Human necessities H A H A B Performing Operations C Chemistry & Metallurgy G G First: 130999 B D Textiles & Paper G Out: 44628 T.P.F.: 5070 B E Fixed Constructions B F F Mechanical Engineering F F G Physics E D C E D H Electricity E C D C WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 5. Statistical description of filing trends Origin Japan 1984 Origin Japan 1994 A A H A A H H A A B H H H B B B B B First: 257983 First: 318261 Out: 25634 Out: 35250 T.P.F.: 14073 T.P.F.: 16442 C G G G Origin Japan 1999 G C C D C D D E F E C G E G F F F ED C A ED F ED A F H A Human necessities A B H B B Performing Operations H B C Chemistry & Metallurgy First: 356397 D Textiles & Paper Out: 45400 E Fixed Constructions T.P.F.: 13377 C G C F Mechanical Engineering C ED D G F E G Physics G F H Electricity ED F WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 5. Statistical description of filing trends Origin U.S. 1984 Origin U.S. 1994 A H H A H A H A H A H A B G First: 121733 G First: 48665 B G Out: 19734 Out: 34191 G B T.P.F.: 11103 B G T.P.F.: 17327 G B B F Origin U.S. 1999 F E F D C F ED C F ED C E A F D C ED C E C H D H A A Human necessities H A B Performing Operations B C Chemistry & Metallurgy First: 153350 B Out: 63762 D Textiles & Paper B G T.P.F.: 12003 E Fixed Constructions G F Mechanical Engineering F C G Physics G ED C C H Electricity F ED F ED WIPO-OECD Workshop on Patent Statistics, 18 & 19 / 09 / 2003. EPO Patent families 5. Statistical description of filing trends Origin Others 1984 Origin Others 1994 H A A H H A A H H A H G G A B G First: 92175 G Out: 4693 First: 114602 B T.P.F.: 525 B Out: 6920 F B F B T.P.F.