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Drugs polymorphism patent application from the perspective of patent invalidation
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Bo WU, Hong-ru CHEN
Chinese Journal of New Drugs | 2021, 30(23) : 2135 - 2140
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Chinese Journal of New Drugs | 2021, 30(23): 2135-2140
Drugs polymorphism patent application from the perspective of patent invalidation
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Bo WU, Hong-ru CHEN
Affiliations
  • Patent Examination Cooperation Jiangsu Center of the Patent Office, China National Intellectual Property Administration, Suzhou 215163, China
Published: 2021-12-15
Outline
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This paper clarifies the usage frequency and the success rate of invalidation of various articles of patent law based on statistical analysis of the invalidation cases of drugs polymorphism patents in recent years. The paper also sumed up and sorted out some viewpoints involved in the corresponding cases, in order to provide a certain reference for pharmaceutical companies to apply for crystal patents.

drugs polymorphism patents  /  invalidation  /  inventiveness  /  patent application
武波, 陈鸿儒. 从无效宣告角度看药物晶型专利申请. 中国新药杂志, 2021 , 30 (23) : 2135 -2140 .
Bo WU, Hong-ru CHEN. Drugs polymorphism patent application from the perspective of patent invalidation[J]. Chinese Journal of New Drugs, 2021 , 30 (23) : 2135 -2140 .
Year 2021 volume 30 Issue 23
48
7
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  • Online Date:2026-10-28
  • Published:2021-12-15
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  • Accepted:2021-06-07
Affiliations
    Patent Examination Cooperation Jiangsu Center of the Patent Office, China National Intellectual Property Administration, Suzhou 215163, China
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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