California lawyer profile

William Joseph Mayen

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William Joseph Mayen is a lawyer licensed in California under State Bar of California bar number 284274. According to State Bar of California records, the license status of William Joseph Mayen is Active, with admission in August 2012. William Joseph Mayen has an address of record in San Jose, Santa Clara County, California. This page is a directory listing by ALCBar Lawyer Directory; it is not an endorsement or a referral.

License

License jurisdiction
California
Licensing authority
State Bar of California
Bar number
284274
License status
Active, according to State Bar of California records (official record)
Admitted
August 2012
Status last verified
Not yet verified by ALCBar. The status was copied from State Bar of California public records no later than June 3, 2026 (exact collection date not recorded) and has not been re-checked against the State Bar since.

Firm and location

Firm or employer
Not stated in the source
Address of record
Not stated in the source
City
San Jose
County
Santa Clara County
ZIP code
95113

Contact details

Phone
408-298-8300
Fax
408-298-8502
Email
mayenlaw.wjm@gmail.com (as listed; delivery not tested)
Website
Not stated in the source

Practice areas

Workers Compensation. Listed in the directory's source file. Where that list came from is not confirmed, and William Joseph Mayen has not confirmed it. It is not a certification of specialization.

Documented matter experience

ALCBar has no reviewed matter records for William Joseph Mayen. This means the information is not available, not that William Joseph Mayen lacks experience.

Sources and verification

InformationSourceStatus
Name, bar number, license status, admission dateState Bar of California attorney recordCopy of the public record; not re-checked by ALCBar since it was copied
Firm, address, phone, fax, email, websiteDirectory copy of State Bar of California recordsNot confirmed by William Joseph Mayen; email delivery not tested
Practice areasDirectory source file (origin not confirmed)Not confirmed
Information confirmed by the attorneyProfile claimNone. This profile has not been claimed.
Independently reviewed informationALCBar reviewNone

Directory listing last updated 2026-10-11. If anything here differs from the State Bar of California record, the State Bar of California record is the authority.

This listing comes from public State Bar records. It is not an endorsement, a referral, or a statement about the skills of William Joseph Mayen. ALCBar does not receive payment for this listing.