Index 2023 Index 2022 Index 2021 Index 2020 Index 2019 Index 2018 Index 2017 Index 2016 Index 2015 Index 2014 Index 2013 Index 2012 Index 2011 Index 2010 Index 2009 Index 2008 Index 2007 Index 2006 Index 2005 Index 2004 Index 2003 Index 2002 Index 2001 Index 2000 Index 1999 Index 1998 Index 1997 Index 1996 Index 1995 Index 1994 Index 1993 Index 1992 Index 1991 Index 1990 Index 1989 Index 1988 Index 1987 Index 1986 Index 1985 Sponsored by China Patent Agent(H.K.)Ltd. Email: cnpt@cpahkltd.com