The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
The Intellectual Property Branch's own release, posted 114-08-27 (27 August 2025), says the case against the three detained defendants 'was concluded today (27th)' ('於今（27）日偵查終結') and an indictment filed; no time is given, so it is an all-day date.
The same prosecutors' follow-on release: having 'recently indicted' Chen and the two TSMC engineers, they charged Tokyo Electron Taiwan itself on 2 December 2025 with four corporate offences, seeking NT$120 million in fines.[1]
Nikkei Asia's report that 'prosecutors in Taiwan have charged three people' over the 2-nanometer secrets; the body is paywalled, only the lead was read.
Taiwan's national news agency the same day: the IP Branch 'today' closed the 2nm leak case and indicted Chen Li-ming, Wu Ping-chun and Ko Yi-ping under the National Security Act, seeking 14, 9 and 7 years; TSMC complained on 8 July.[1]
Reuters wire, 27 August 2025 10:25 UTC: prosecutors 'said on Wednesday that they indicted three people' to help Tokyo Electron compete for TSMC 2nm supplier deals, recommending 14 years for Chen.[1]
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