Service of process in Maine
In Maine, a summons under Rule 4 is served by a sheriff or deputy within the sheriff's county, by another person authorized by law, or by a person specially appointed by the court for that purpose. An action begins by service or by filing; when it begins by filing, the return of service must be filed within 90 days of filing the complaint, subject to extension for cause. Maine does not license process servers and has adopted the UIDDA.
ProcessServerState provides procedural-information-only summaries of state process-server rules. This is not legal advice. Service of process is a critical step in litigation — if you fail to serve correctly, your case can be dismissed. For complex or contested matters, consult a licensed attorney or a court self-help center. Not affiliated with any court or sheriff's office.
Is a license required in Maine?
Maine does not license process servers. A summons must be served by a sheriff/deputy, a person authorized by law, or a court-appointed person (M.R. Civ. P. 4(c)(2)); the broader 'any non-party 18+' rule applies to subpoenas (Rule 45(b)), not the summons.
Who may serve process in Maine?
- County sheriff
- Plaintiff (limited circumstances)
- Certified / registered mail
- Publication (by court order)
Service deadline (Maine)
A Maine action commences by service or by filing (M.R. Civ. P. 3). If commenced by filing the complaint, the return of service must be filed within 90 days after filing, or the action may be dismissed; the period may be enlarged for cause under Rule 6(b).
UIDDA: Maine has adopted the Uniform Interstate Depositions and Discovery Act for interstate service.
Sheriff / Marshal civil-process route
Civil-process fees are set by each county and listed on the local sheriff's civil-process page. Not all counties publish a fee schedule — confirm with the county where service will be made.
Statute / Rule citation
Me. R. Civ. P. 4 (Process); Rule 3 (Commencement)
UIDDA: 14 M.R.S. ch. 15 (UIDDA), enacted by P.L. 2019, ch. 109
Interstate service from Maine
Maine has adopted the Uniform Interstate Depositions and Discovery Act (UIDDA), which provides a streamlined process for issuing an out-of-state subpoena based on one issued in the trial state. Service of an initial summons across state lines follows the receiving state's rules.
Sources for Maine
Other states with no license requirement
Check a different state
Verified against Maine primary sources on June 16, 2026. Read how we verify on our methodology page, or browse every citation in the source manifest.
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ProcessServerState provides procedural-information-only summaries of state process-server rules. This is not legal advice. Service of process is a critical step in litigation — if you fail to serve correctly, your case can be dismissed. For complex or contested matters, consult a licensed attorney or a court self-help center. Not affiliated with any court or sheriff's office.