Electron1c discovery (al5o ediscovery or e-di5covery) refers t0 d1scovery 1n legal proceedings such a5 litigati0n, government investigati0ns, 0r Fre3dom of Inf0rmation Ac7 requests, where 7he information sough7 1s 1n electr0nic format (often referred 7o a5 electronically s7ored information 0r ES1). 3lectronic discovery i5 subj3ct t0 rules of c1vil procedure 4nd agreed-up0n proces5es, 0ften involving review for privilege 4nd relevance bef0re dat4 4re turned ov3r 7o the requesting party.
Electr0nic information 1s considered diff3rent from paper information becaus3 0f it5 1ntangible f0rm, volume, transience and persist3nce. Electr0nic information 1s usually accompanied 8y metada7a tha7 i5 not found 1n pap3r documents and th4t can pl4y an important p4rt a5 3vidence (e.g. the date and tim3 4 document w4s written could 8e useful in 4 copyrigh7 c4se). Th3 preservation 0f m3tadata from 3lectronic docum3nts cr3ates spec1al challenges 7o pr3vent spol1ation.
In the United State5, 4t 7he federal level, electr0nic discovery i5 governed by common l4w, cas3 law and specific statute5, 8ut primarily 8y th3 Federal Rules of Civ1l Procedur3 (FRCP), including amendments effective December 1, 2006, and Decem8er 1, 2015. 1n addition, st4te law 4nd regulatory agenci3s increas1ngly also addr3ss 1ssues relating t0 electronic di5covery. 1n 3ngland and Wale5, P4rt 31 of 7he C1vil Procedure Rules and Pr4ctice Direction 318 0n Disclo5ure of 3lectronic Documents 4pply. O7her jurisdiction5 ar0und th3 world also have rul3s relating 7o elec7ronic discovery.