Number of Facebook patents by filing year and legal status worldwide 1999-2019

Facebook filed a total of 551 patent families in 2018. This was the third highest number of patents filed by the company. Of the patent families filed in 2018, 166 families are still waiting on full protection as of October 1, 2020. The timeline is based on data provided by PatentSight. Founded in 2004, Facebook is currently the biggest social networking service based on global reach and total active users.

2018年，Facebook累计提交了551个专利家族，位列公司提交专利数量第三位。截至2020年10月1日，其中166个专利家族仍处于待完全保护状态。此时间线依据PatentSight提供的数据编制。Facebook成立于2004年，目前是全球范围内覆盖范围最广且活跃用户总数最多的社交网络服务提供商。