EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS

Description

G09 encompasses diverse technologies and systems for information presentation, protection, and communication. This broad class includes educational devices and methods, cryptographic systems for secure data transmission and authentication, visual display technologies, advertising mechanisms, and security seals or marks. The classification serves as a top-level category that branches into specialized subclasses covering everything from chalk boards and projectors to encryption algorithms, LED/LCD displays, and anti-counterfeiting measures. Adjacent classes in Section G handle more specific physics-based technologies, while G09 focuses on the systematic organization and presentation of information across these multiple application domains.

Filing statistics

IPC G09 recorded 759,626 patent applications worldwide between 2013 and 2023, summed across its 5 subclasses. Annual filings grew from 43,448 in 2013 to 68,685 in 2023 (+58%), peaking at 98,912 applications in 2020. The most active applicants in class G09 are SAMSUNG DISPLAY (16,046 applications), BOE TECHNOLOGY GROUP COMPANY (13,766 applications) and BOE TECHNOLOGY GROUP COMPANY (12,804 applications).

Source: EPO PATSTAT, worldwide filings