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David Leon Osias, Bankruptcy Attorney in San Diego, California

Over 47 years of legal practice · focused on Bankruptcy, Business, and Civil Rights · 5.0/5 rating from 1 verified client review

Managing PartneratAllen Matkins Leck Gamble Mallory & Natsis LLP

San Diego, CA

Practicing bankruptcy in San Diego since 1979.

47+
Years practicing
5.0 ★
1 client review
1
Bar admission

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Quick answer

David Leon Osias is a managing partner based in San Diego, CA. The practice focuses on Bankruptcy, Business, and Civil Rights. David has over 47 years of legal experience. Currently practicing at Allen Matkins Leck Gamble Mallory & Natsis LLP. Rated 5.0 out of 5 from 1 client review.

Based in
San Diego, CA
Experience
over 47 years
Known for
Bankruptcy · Business · Civil Rights
  • Handles Bankruptcy, Business, and Civil Rights matters from San Diego, CA.
  • Over 47 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About David Leon Osias: David Leon Osias is a managing partner based in San Diego, CA. The practice focuses on Bankruptcy, Business, and Civil Rights. David has over 47 years of legal experience. Currently practicing at Allen Matkins Leck Gamble Mallory & Natsis LLP. Rated 5.0 out of 5 from 1 client review.

Areas of practice

David's practice areas in San Diego

David concentrates on bankruptcy, business, civil rights, environmental, and real estate. Each area below outlines the kind of case David handles, typical outcomes to expect, and how the intake process starts.

Bankruptcy cases in San Diego, California

David takes bankruptcy matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before David agrees to represent you.

Business cases in San Diego, California

David takes business matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before David agrees to represent you.

Civil Rights cases in San Diego, California

David takes civil rights matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before David agrees to represent you.

Environmental cases in San Diego, California

David takes environmental matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before David agrees to represent you.

Real Estate cases in San Diego, California

David takes real estate matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before David agrees to represent you.

Biography

David Leon Osias, bankruptcy attorney serving San Diego

David Leon Osias is a managing partner based in San Diego, CA. The practice focuses on Bankruptcy, Business, and Civil Rights. David has over 47 years of legal experience. Currently practicing at Allen Matkins Leck Gamble Mallory & Natsis LLP. Rated 5.0 out of 5 from 1 client review. David works from San Diego, California and takes on bankruptcy matters across the region.

Mr. David Leon Osias is a lawyer practicing bankruptcy & creditors' rights, water rights & resources, business law and 4 other areas of law. David received a B.S. degree from University of California, Davis, and has been licensed for 47 years. David practices at Allen Matkins Leck Gamble Mallory & Natsis LLP in San Diego, CA.

David's approach to bankruptcy cases

Mr. David Leon Osias is a lawyer practicing bankruptcy & creditors' rights, water rights & resources, business law and 4 other areas of law. David received a B.S. degree from University of California, Davis, and has been licensed for 47 years. David practices at Allen Matkins Leck Gamble Mallory & Natsis LLP in San Diego, CA.

The kind of cases David takes

David reviews new inquiries case-by-case for bankruptcy, business, and civil rights matters in San Diego and the surrounding California area.

Credentials

Credentials — where David studied and practices

  • University of California, Berkeley, School of Law at Boalt Hall J.D.

  • University of California, Davis B.S. with honors

Jurisdictions

David's state bar admissions

  • California Ninth Cir

    1979 · ACTIVE

David studied at — in University of California, Berkeley, School of Law at Boalt Hall J.D. and — in University of California, Davis B.S. with honors.

Law school and academic background

David completed — in University of California, Berkeley, School of Law at Boalt Hall J.D. and — in University of California, Davis B.S. with honors. Formal legal training is one signal of substantive knowledge — the day-to-day practice David runs in California is where that training gets applied to real client questions.

Recognition

David's legal honors and published work

David has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

David's professional memberships and bar associations

  • · American Bankruptcy Institute · American Bar Association, Business Law Section · California Bankruptcy Forum, past president and director · San Diego Bankruptcy Forum, founding member and past president · San Diego County Bar Association · American Bar

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  • water rights analysis and due diligence regarding a potential hydroelectric power plant acquisition in Northern California

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  • water supply due diligence for reclaimed tertiary-treated water in the South San Francisco Bay area for two natural gas-fueled power plants

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  • water supply due diligence and negotiations for two natural gas-fueled power plant sites in the Northern San Joaquin Valley

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  • and a water rights analysis for a natural gas-fueled power plant adjacent to the Colorado River. David has served as an Editor, California Water Law & Policy Reporter, since 2010. Water Resource Conference Attendance · Colorado River Water Users Associati

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Locations

David Leon Osias's office in San Diego

David's primary office is at 501 West Broadway, 15th Fl., San Diego, CA, 92101-3541. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Allen Matkins Leck Gamble Mallory & Natsis LLP

501 West Broadway, 15th Fl.

San Diego, CA 92101-3541

Open in Google Maps

Client feedback

Client reviews of David Leon Osias — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of David. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing bankruptcy attorneys in San Diego.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once David Leon Osias claims this profile.

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Hiring guide

How to hire David Leon Osias — what to expect in your first consultation

Working with a new bankruptcy attorney should feel structured. Here's how the first two conversations with David usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

David charges for the initial consult. That fee is credited toward representation if you retain David's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; David will tell you what matters and what doesn't.

Questions to ask a bankruptcy attorney in San Diego, California

A short list to run through before you commit: How many bankruptcy matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for David

David discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in bankruptcy practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every bankruptcy matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. David confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

David's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many bankruptcy practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about David Leon Osias

  • How much does it cost to hire David for a bankruptcy case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. David walks through the likely range during the consult so there are no surprises.

  • Does David offer a free consultation?

    David charges for the initial consult; that fee is credited toward representation if you retain David's office. Some bankruptcy attorneys offer free consults — check David's current terms during booking.

  • How long do bankruptcy cases in California typically take?

    Simple bankruptcy matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. David gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can David take my case if I'm outside San Diego?

    David is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — David will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with David?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. David will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is David accepting new bankruptcy clients right now?

    David's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Bankruptcy attorneys serving San Diego, Los Angeles and San Francisco in California

David handles bankruptcy matters throughout California. Each city below is a direct link into the search page for verified bankruptcy attorneys in that community.

More counsel

If David's intake is full or the fit isn't right, these bankruptcy attorneys in San Diego handle similar matters. Every profile below is verified and open to consultations.