An eDiscovery expert witness explains whether electronically stored information was handled in a way the court can trust. That covers the full life cycle of the data — was it preserved once the duty attached, collected without altering it, and produced completely — and whether any of it was lost along the way. When these questions decide a case, the value of an expert is stating clear, well-supported opinions that survive both cross-examination and the court's own scrutiny.
What issues does eDiscovery testimony address?
- Preservation and legal holds — whether a party stopped the routine deletion of relevant data once litigation was reasonably anticipated.
- Collection defensibility — whether data was gathered using sound methods that did not change the evidence.
- Spoliation — whether relevant information was lost or altered, when, and what its loss affected.
- Authenticity and completeness — whether the produced evidence is genuine and whether the production has gaps.
How do you analyze a spoliation claim?
Spoliation turns on timing and duty as much as on the missing data itself, so we reconstruct when the obligation to preserve arose and trace what happened to the relevant systems from that point forward. Using metadata, system logs, and hash comparisons, we can often show whether data was deleted, when, and whether it was recoverable. This work is performed under California BSIS PI License No. 190161, with every step documented so the analysis itself is defensible if it is challenged.
Will the opinion satisfy the court's reliability standard?
Expert testimony must clear the reliability and relevance bar set by Federal Rule of Evidence 702 before a jury hears it. We ground every opinion in reproducible methods, documented chain of custody, and the actual artifacts — metadata, logs, and hashes — rather than assertion. That means our conclusions on authenticity, completeness, and spoliation are built to withstand a motion to exclude, and to help your case rather than become a liability on the stand.