The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2020
Filed:
Feb. 05, 2020
Alibaba Group Holding Limited, George Town, KY;
Longsheng Qing, Hangzhou, CN;
Zhen Sun, Hangzhou, CN;
Xueqing Yang, Hangzhou, CN;
Ge Jin, Hangzhou, CN;
Zhenzhong Meng, Hangzhou, CN;
Yu Chu, Hangzhou, CN;
Alibaba Group Holding Limited, George Town, Grand Cayman, KY;
Abstract
In an implementation of a computer-implemented method, a target transaction sent by a billing initiator is received, where the target transaction includes bill information of an e-bill to be issued. In response to the target transaction, check logic is invoked in a smart contract deployed in a blockchain network, and a validity check is performed on the bill information. If the validity check succeeds, allocation logic is invoked in the smart contract, and an e-bill number is allocated to the bill information from available e-bill number segments maintained in a blockchain account corresponding to a biller of the e-bill.