孟加拉人民共和国，简称孟加拉国，首都达卡，位于南亚次大陆东北部的恒河和布拉马普特拉河冲积而成的三角洲上，国民经济主要依靠农业和服装业。
孟加拉国是《保护工业产权巴黎公约》《与贸易有关的知识产权协议》《世界知识产权组织公约》的缔约国。
孟加拉国专利分为发明专利与实用新型、外观设计。
发明专利、实用新型：国内专利申请、巴黎公约国际申请
通过巴黎公约途径申请可享受12个月优先权
外观设计：国内专利申请、巴黎公约
通过巴黎公约途径可享受12个月优先权
提交专利申请；
形式审查：如果申请文件没有问题，将进入形式审查程序，大约在申请被受理之日起2个月；
公开：在申请自优先日期或申请之日起19个内公布；
实质审查：通常申请被公布之日起不超过24个月，申请人需要提交申请，进行专利的实质审查。如果申请人未提交，则视为撤回专利申请；
专利授权成功：将向申请人下发专利资格证书。
孟加拉国专利申请费用以官方货币塔卡（BDT）提交。
100BDT=6.45CNY
发明专利费用：
The People's Republic of Bangladesh, or Bangladesh for short, has its capital, Dhaka, located in the northeast part of the subcontinent on the delta formed by the alluvial rivers Ganges and Brahmaputra. The national economy mainly depends on agriculture and garment industry.
Bangladesh is a party to the Paris Convention for the Protection of Industrial Property, the Agreement on Trade-Related Aspects of Intellectual Property Rights and the Convention of the World Intellectual Property Organization.
Bangladesh patents are divided into invention patent,utility model and design.
Invention patent, utility model: domestic patent application,Paris Convention international application
Applications through the Paris Convention are eligible for 12 months priority
Design: Domestic patent application, Paris Convention
12 months priority through the Paris Convention
The average process time from registration to licensing of invention and utility model patents in Bangladesh is 48 months. The domestic patent application registration process is as follows:
File a patent application;
Formal review: If there is no problem with the application documents, it will enter the formal review procedure, about 2 months after the application is accepted;
Disclosure: within 19 months from the priority date of application or the date of application.
Substantive examination: Usually no more than 24 months after the application is published, the applicant needs to submit the application for substantive examination of the patent. If the applicant fails to do so, the patent application will be considered withdrawn.
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Successful patent authorization: the patent qualification certificate will be issued to the applicant.
The Bangladesh patent application fee is submitted in the official currency,the taka (BDT).
100BDT=6.45CNY
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