Do law firms still use fax machines?

Yes — most law firms still send and receive faxes, though modern practices use online fax services instead of hardware machines. Courts, government agencies, and opposing counsel across many jurisdictions still require or accept fax as the official method of service and submission.

Is faxing confidential for attorneys?

Fax provides strong confidentiality protections when sent correctly. A fax goes point-to-point between two lines rather than through shared email servers, and transmission records create a tamper-resistant audit trail. Using an encrypted online fax service adds TLS and AES-256 protection. Always include a confidentiality notice on your cover sheet.

What is the best fax service for a law firm?

The best law firm fax service provides dedicated virtual fax numbers, time-stamped delivery receipts, encrypted transmission, team accounts for multiple attorneys, and a full audit log. mFax Business offers all of these starting at $20.99/month at [mFax.to/business](https://mfax.to/business/).

Is a faxed legal document valid in court?

In most US jurisdictions, faxed documents are legally valid. Courts have accepted faxed signatures and filings for decades, and the fax timestamp is routinely used as evidence of timely service. See our guide on [whether a fax is a legal document](/blog/is-a-fax-a-legal-document/) for a jurisdiction-by-jurisdiction breakdown.

Do I need a dedicated fax number for my law firm?

Yes. Each attorney or practice group should have a dedicated virtual fax number to maintain proper conflict checks, separate client communications, and preserve clean audit logs per matter.

Fax for Law Firms: Secure, Compliant & E-Filed Solutions

Law firms still depend on fax for court filings, opposing counsel service, and government submissions. Learn what legal faxing requires, how to keep communications confidential, and which modern solutions fit a busy practice.

Frequently Asked Questions

Do law firms still use fax machines?: Yes — most law firms still send and receive faxes, though modern practices use online fax services instead of hardware machines. Courts, government agencies, and opposing counsel across many jurisdictions still require or accept fax as the official method of service and submission.
Is faxing confidential for attorneys?: Fax provides strong confidentiality protections when sent correctly. A fax goes point-to-point between two lines rather than through shared email servers, and transmission records create a tamper-resistant audit trail. Using an encrypted online fax service adds TLS and AES-256 protection. Always include a confidentiality notice on your cover sheet.
What is the best fax service for a law firm?: The best law firm fax service provides dedicated virtual fax numbers, time-stamped delivery receipts, encrypted transmission, team accounts for multiple attorneys, and a full audit log. mFax Business offers all of these starting at $20.99/month at [mFax.to/business](https://mfax.to/business/).
Is a faxed legal document valid in court?: In most US jurisdictions, faxed documents are legally valid. Courts have accepted faxed signatures and filings for decades, and the fax timestamp is routinely used as evidence of timely service. See our guide on [whether a fax is a legal document](/blog/is-a-fax-a-legal-document/) for a jurisdiction-by-jurisdiction breakdown.
Do I need a dedicated fax number for my law firm?: Yes. Each attorney or practice group should have a dedicated virtual fax number to maintain proper conflict checks, separate client communications, and preserve clean audit logs per matter.