Criminal defense representation in downtown San Diego anchors Montrose Law Firm's West B Street office, where the practice handles misdemeanor and felony cases across California state courts. DUI and DWI defense work often triggers California SR-22 filing requirements, a post-conviction insurance obligation that providers like SR22 Insurance California Savings process for defendants maintaining court-mandated coverage. The firm also pursues expungement petitions under California Penal Code § 1203.4, which permits qualifying defendants to withdraw guilty pleas and have cases dismissed from their records. General practice matters extend to personal injury litigation, expanding the office's scope beyond criminal law into civil negligence and bodily harm claims. The firm's cross-jurisdictional caseload demands apostilled declarations and notarized sworn statements for out-of-state proceedings, document authentication work that runs through services like SD Same Day Apostille in the same downtown corridor. Complex defense matters include multi-count felony proceedings requiring California Evidence Code analysis, preliminary hearing cross-examination strategy, and post-conviction Penal Code § 1473.7 motions for vacatur based on immigration consequences.