The RegistryCounty Roster · Surnames Oconnor – Ortega
Business Litigation Attorneys in Los Angeles County, Oconnor – Ortega
199 attorneys on the official State Bar of California roll whose surname falls between Oconnor and Ortega, holding an active license, a business litigation practice area, and an address of record in Los Angeles County. One of 85 surname sections covering 17,007 attorneys county-wide.
Business Litigation matters arising here are ordinarily heard at the Superior Court of California, County of Los Angeles, seated at Los Angeles. The filing deadline is four years to sue on a written contract; two years on an oral contract (§ 339) (Cal. Code Civ. Proc. § 337). Listings are in surname order — neutral, never ranked. The choice is always yours.
Business Litigation · Los Angeles County · Oconnor – Ortega
| Attorney | Firm | City | Bar number | Admitted |
|---|---|---|---|---|
| John R. O'Connor | Courtney D. Flannery & Associates | Glendale | #338902 | 2021 |
| Joseph R. OConnor | Hogan Lovells US LLP | Los Angeles | #274421 | 2010 |
| Maura B. O'Connor | O'Connor Cochran LLP | Los Angeles | #137355 | 1988 |
| Allison P. O'Day | Taurus Law APC / Apex Law Associates PC | Los Angeles | #312358 | 2016 |
| Katherine J. Odenbreit | The Mahoney Law Group, APC | Long Beach | #184619 | 1996 |
| Ifeanyinayo Odenigbo | BOSAH LAW FIRM | PALMDALE | #338397 | 2021 |
| Sarah C. Odenkirk | ArtConverge | Los Angeles | #207771 | 2000 |
| Susan L. Oder | Company Name (optional) | Los Angeles | #213728 | 2001 |
| F. X. Sean O'Doherty | Yagoubzedeh Law Offices | Beverly Hills | #87556 | 1979 |
| Maryam L. Odom | Odom Law Group | Stevenson Rnh | #233860 | 2004 |
| Ronald R. Odom | Anthem, Inc./Legal Dept | Woodland Hills | #151074 | 1990 |
| Aaron V. O'Donnell | Atkinson, Andelson, Loya, Ruud & Romo | Cerritos | #185404 | 1996 |
| Benjamin M. O'Donnell | Gilbert & Sackman | Los Angeles | #309119 | 2016 |
| Elizabeth G. O'Donnell | Dept. of State Hospitals - Legal Div. | Norwalk | #162453 | 1992 |
| Robert J. Odson | Shumener, Odson & Oh LLP | Los Angeles | #162506 | 1992 |
| Gregory G. Oehler | Wolf, Rifkin, Shapiro, Schulman & Rabkin | Los Angeles | #301310 | 2014 |
| Mark Alan Oertel | Lewis Brisbois Bisgaard & Smith LLP | Los Angeles | #120141 | 1985 |
| Daniel S. Oettinger | Covington & Burling LLP | Los Angeles | #283105 | 2012 |
| Tidhar Ofek | Ofek Law Corporation | Santa Monica | #309025 | 2016 |
| Kimberly K. Offenbacher | Sacro & Walker, LLP | Glendale | #166318 | 1993 |
| Daniel O. Offner | Michael Best & Friedrich | Los Angeles | #158671 | 1992 |
| Nicole Ofir | BD&J, P.C. | Los Angeles | #357015 | 2024 |
| Austin M. O'Flynn | CommonSpirit Health | Glendale | #193791 | 1997 |
| Miwako Ogawa | — | Santa Monica | #204576 | 1999 |
| Tomoharu Ogawa | TomOgawa Law Corporation | Los Angeles | #362636 | 2025 |
| Nailah Z. Ogle | Buchalter LLP | Los Angeles | #336846 | 2021 |
| Gordana V. Ognjanovic | — | Los Angeles | #256568 | 2008 |
| Stefan O'Grady | Keystone Law Group, PC | Los Angeles | #224615 | 2003 |
| Thomas J. O'Grady | Prospera Law | Los Angeles | #254520 | 2007 |
| Alexander V. Ogren | Gibson, Dunn & Crutcher LLP | Los Angeles | #363071 | 2025 |
| Alexandria Oguntula | Lewis Brisbois | Los Angeles | #347574 | 2022 |
| Christine J. Oh | Lewis Brisbois Bisgaard & Smith LLP | Los Angeles | #361331 | 2025 |
| Henry H. Oh | Shumener, Odson & Oh LLP | Los Angeles | #187127 | 1996 |
| Hyun Oh | Law Offices of John H. Oh & Associates | Los Angeles | #180111 | 1995 |
| Stephen J. Oh | Latham & Watkins LLP | Los Angeles | #365103 | 2025 |
| Yoo Jin E. Oh | Latham & Watkins LLP | Los Angeles | #246173 | 2006 |
| Hadjar Anahita Ohadi | Law Offices of Robert V. Cornish, Jr, PC | Beverly Hills | #358387 | 2024 |
| Caroline L. O'Hair | Lovell Law Group, PC | Los Angeles | #318769 | 2017 |
| Scott J. O'Halloran | Manasserian Law, APC | Pasadena | #325432 | 2019 |
| John P. Ohanesian | California Department of Justice | Los Angeles | #258938 | 2008 |
| Alyssa A. Ohanian | Orrick, Herrington & Sutcliffe LLP | Santa Monica | #301696 | 2014 |
| Diron M. Ohanian | Knapp Petersen & Clarke | Glendale | #155375 | 1991 |
| Sark Ohanian | Carpenter & Zuckerman | Beverly Hills | #208905 | 2000 |
| Sevana Z. Ohanian | CA Dept of Transportation | Los Angeles | #248984 | 2007 |
| Vanasis Ohanian | Simpson Thacher & Bartlett LLP | Los Angeles | #352412 | 2023 |
| Matthew B. O'Hanlon | Barnes & Thornburg LLP | Los Angeles | #253648 | 2007 |
| Brian C. O'Hara | — | LOS ANGELES | #134024 | 1988 |
| Maureen C. O'Hara | Ropers Majeski PC | Los Angeles | #155031 | 1991 |
| Milena D. O'Hara | Modern Fertility Law, PC | Sherman Oaks | #192664 | 1997 |
| Michael J. O'Hearne | Clyde & Co US LLP | Los Angeles | #365454 | 2025 |
| Amir Ohebsion | Amir Ohebsion, A Prof Corp | Los Angeles | #193422 | 1997 |
| Eliyahu Ohev Shalom | Limitless Law, LLP | Encino | #356345 | 2024 |
| Michael T. Ohira | — | Walnut | #126137 | 1986 |
| Raena E. W. Ohiri | Annaguey McCann LLP | Los Angeles | #315064 | 2017 |
| Charles N. Ohl | — | Santa Clarita | #144295 | 1989 |
| Gerald S. Ohn | Law Offices of Gerald S Ohn, APC | Los Angeles | #217382 | 2001 |
| Kiriko Urano Oishi | Brightfield Law LLP | Torrance | #230307 | 2004 |
| Daniel A. Ojeda | F3 Law | Los Angeles | #167994 | 1993 |
| Ojen Ojenian | Ojenian Law Corp. | Granada Hills | #329904 | 2020 |
| Brittani A. Ojogho-Fields | Amazon | Culver City | #332792 | 2021 |
| Gregory K. Okada | Stansbury Brown Law, PC | Venice | #352303 | 2023 |
| Chaka C. Okadigbo | HKM Employment Attorneys LLP - LA Labor | Los Angeles | #224547 | 2003 |
| John J. O'Kane IV | Skiermont Derby LLP | Los Angeles | #268632 | 2009 |
| Michael P. O. Okayo | — | Torrance | #249466 | 2007 |
| Onyebuchi Okeke | LAWYERS FOR EMPLOYEE AND CONSUMER RIGHTS | BURBANK | #338730 | 2021 |
| Madelyn M. O'Kelley-Bangsberg | American Lemon Law Group, APC | Los Angeles | #361571 | 2025 |
| Kelly N. Oki | Fisher Phillips LLP | Los Angeles | #304053 | 2015 |
| Eluana Okilo | California Insurance Attorneys | El Segundo | #226534 | 2003 |
| Mark S. Oknyansky | Frish Law Group, APLC | Woodland Hills | #298620 | 2014 |
| Odion L. Okojie | Law Ofc Odion L Okojie | Los Angeles | #164931 | 1993 |
| Jennifer S. Okorn | Gunderson Dettmer | Playa Vista | #293498 | 2013 |
| Okorie C. Okorocha | — | El Segundo | #226658 | 2003 |
| Todd A. Okun | Okun Loritz, LLP | Glendale | #203016 | 1999 |
| Chiemela P. Okwandu | Gordon Rees Scully Mansukhani | Los Angeles | #323893 | 2018 |
| Suleiman B. Oladeinde | — | Los Angeles | #327071 | 2019 |
| Kelley S. Olah | Barnes & Thornburg LLP | Los Angeles | #245180 | 2006 |
| Christian A. Olano | Sierra Claims Law | Los Angeles | #323050 | 2018 |
| Tanja L. Olano | — | Malibu | #259044 | 2008 |
| Madison J. Old | — | Los Angeles | #358724 | 2024 |
| Tyler H. Oldham-Monroe | Kuzyk Law, LLP. | Lancaster | #338221 | 2021 |
| Bronty J. O'Leary | — | Los Angeles | #341710 | 2021 |
| David A. Olin | Hecker Fink LLP | Los Angeles | #357765 | 2024 |
| Geoffrey M. Olin | — | Calabasas | #312016 | 2016 |
| Theotis F. Oliphant | — | Santa Monica | #180687 | 1995 |
| Anthony J. Oliva | Allen Matkins et al LLP | Los Angeles | #123971 | 1986 |
| James Oliva | — | Torrance | #215440 | 2001 |
| Juan C. Olivares | Latham & Watkins LLP | Los Angeles | #301551 | 2014 |
| Daniel A. Olivas | CA DOJ | Los Angeles | #130405 | 1987 |
| Ilon F. Oliveira | Law Offices of Christian L. Woods, APC | Covina | #307281 | 2015 |
| Jason L. Oliver | Law Ofc Jason L Oliver | Pasadena | #183062 | 1996 |
| Richard Bruce Oliver | Pillsbury Winthrop Shaw Pittman, LLP | Los Angeles | #116446 | 1984 |
| Glen F. Olives | Rose Waldorf LLP | Burbank | #196854 | 1998 |
| Eduardo Olivo | Olivo & Associates | City Industry | #150363 | 1990 |
| John W. Olivo, III | — | Beverly Hills | #355763 | 2024 |
| Obinna I. Ollawa | Ollawa Law Offices, P.C. | Los Angeles | #322553 | 2018 |
| Eustace Ambrose Olliff, III | Prodege, LLC | El Segundo | #83896 | 1978 |
| Joseph B. Ollinger | Law Office of Joseph B. Ollinger PC | Studio City | #285641 | 2012 |
| David Olmedo-Barrera | Vanderford & Ruiz LLP | Pasadena | #365764 | 2025 |
| Marshall L. Olney | Buchalter | los angeles | #343717 | 2022 |
| Cheryl Wright Olsen | — | Santa Clarita | #151115 | 1990 |
| Chris D. Olsen | Gibson, Dunn & Crutcher LLP | Los Angeles | #151007 | 1990 |
| Christopher John Olsen | Law Office of Christopher J. Olsen | Westlake Village | #109124 | 1983 |
| Christopher T. Olsen | Olsen & Brueggemann, APC. | Manhattan Beach | #143915 | 1989 |
| Elizabeth M. Olsen | Dykema Gossett | Los Angeles | #276963 | 2011 |
| Emily D. Olsen | Sullivan & Cromwell LLP | Los Angeles | #353281 | 2023 |
| Meagan S. Olsen | IPSY | Santa Monica | #262506 | 2009 |
| Michael E. Olsen | Seyfarth Shaw LLP | Los Angeles | #307358 | 2015 |
| Alan M. Olson | Morrison & Foerster | Los Angeles | #155510 | 1991 |
| David S. Olson | David Olson Law Group | Calabasas | #127264 | 1987 |
| Eric John Olson | EJOlsonLAW | Pasadena | #37630 | 1966 |
| Jordan F. Olson | Baker McKenzie | Los Angeles | #323764 | 2018 |
| Sonali Olson | Olson Law Group, APC | Woodland Hills | #180397 | 1995 |
| Steven J. Olson | O'Melveny & Myers LLP | Los Angeles | #182240 | 1996 |
| Ehijele E. Olumese | Warner Bros. Discovery | Burbank | #337115 | 2021 |
| Jennifer R. Om | Bank of America, N.A. | Los Angeles | #299896 | 2014 |
| John Anthony O'Malley | — | Los Angeles | #101181 | 1981 |
| Kevin M. O'Malley | Blank Rome LLP | Los Angeles | #275577 | 2011 |
| Nathan D. O'Malley | Musick Peeler & Garrett LLP | Los Angeles | #212193 | 2001 |
| Rebecca Mauch O'Malley | Woodsmall Law Group | Pasadena | #151595 | 1990 |
| Shazad Z. Omar | APEX LAWYERS INC. | Diamond Bar | #274853 | 2010 |
| Frances M. O'MearaState Bar certified specialist | Wood Smith Henning & Berman LLP | Santa Monica | #140600 | 1989 |
| John V. O'Meara | Bremer Whyte Brown & O'Meara LLP | Woodland Hills | #144416 | 1989 |
| George E. Omoko | LAW OFFICES OF GEORGE E. OMOKO | Walnut | #210896 | 2000 |
| Ayodele O. Omotosho | The Law Offices of Johnson|Omotosho, LLP | Los Angeles | #279524 | 2011 |
| Sepehr Omrani | — | Woodland Hills | #210854 | 2000 |
| Kenneth K. On | Wilson Sonsini | Los Angeles | #348574 | 2022 |
| Kehinde A. Onayemi | Precedent Attorneys | Chatsworth | #363175 | 2025 |
| Brooke L. O'Neal | O'Melveny & Myers LLP | Los Angeles | #353258 | 2023 |
| Robert C. O'Neil | Office of the City Attorney-Los Angeles | Los Angeles | #282431 | 2012 |
| Stephen J. O'Neil | Sheppard Mullin et al | Los Angeles | #127120 | 1986 |
| Ashley K. O'Neill | Lovell Law Group | Los Angeles | #340228 | 2021 |
| Cara M. O'Neill | — | Los Angeles | #173467 | 1994 |
| Rita-Anne O'Neill | Sullivan & Cromwell | Los Angeles | #244243 | 2006 |
| David W. Ono | Mattel, Inc. | El Segundo | #221312 | 2002 |
| Owen R. Onouye | Global Energy Law Group | Los Angeles | #174580 | 1994 |
| Sandra M. Onozato | — | Los Angeles | #249473 | 2007 |
| Dana Ontiveros | Snell & Wilmer LLP | Los Angeles | #341571 | 2021 |
| Patrick C. Ontiveros | Magnolia Educational & Research Foundati | Los Angeles | #211428 | 2000 |
| Cecilia I. Onunkwo | Children's Law Center of California | Monterey Park | #183015 | 1996 |
| Ogochukwu V. Onwaeze | Onwaeze Law Group, APC. | Los Angeles | #164865 | 1993 |
| Ariella T. Onyeama | Fisher & Phillips LLP | Los Angeles | #259839 | 2008 |
| Benedict A. Onyenacho | Law Ofc Ben Onyenacho | Los Angeles | #195727 | 1998 |
| Thomas William Opdyke | Sheppard, Mullin, Richter & Hampton LLP | Los Angeles | #62318 | 1974 |
| Joshua B. Opila | Simpson Thacher & Bartlett | Los Angeles | #340382 | 2021 |
| Timothy I. Oppelt | Styskal Wiese & Melchione | Glendale | #251709 | 2007 |
| Michael W. Oppenheim | California Consumer Attorneys, P.C. | Los Angeles | #331956 | 2020 |
| Mark Randall Oppenheimer | O'Melveny & Myers | Los Angeles | #77649 | 1977 |
| Peer Marie Oppenheimer | Kirkland & Ellis LLP | Los Angeles | #359440 | 2024 |
| Debra A. Opri | Opri & Associates | Beverly Hills | #140208 | 1989 |
| Elizabeth Opuni Afriyie | BeatriceT Law, APC | Beverly Hills | #348078 | 2022 |
| Olufela K. Orange | Orange Law Offices | Los Angeles | #213653 | 2001 |
| Mariana L. Orbay | — | Sherman Oaks | #341849 | 2021 |
| Oshea V. Orchid | Sethi Orchid Miner LLP | Castaic | #298375 | 2014 |
| Andrea Sheridan Ordin | Strumwasser and Woocher | Santa Monica | #38235 | 1966 |
| George E. Ordonez | Olivarez Madruga Law Organization LLP | Los Angeles | #162849 | 1992 |
| Aram Ordubegian | ArentFox Schiff LLP | Los Angeles | #185142 | 1996 |
| Conor S. O'Reilly | — | Burbank | #322684 | 2018 |
| Edward J. O'Reilly | Law Office of Edward J. O'Reilly | Long Beach | #241931 | 2006 |
| Timothy L. O'Reilly | Law Offices of Timothy L. O'Reilly | LONG BEACH | #150392 | 1990 |
| Katherine R. O'Reilly-Jones | Allen Matkins | Los Angeles | #330248 | 2020 |
| Belinda K. Orem | — | La Canada Flt | #98442 | 1981 |
| Brandon T. Orewyler | — | Beverly Hills | #324391 | 2018 |
| Jude Orfali | DLA Piper | Los Angeles | #347983 | 2022 |
| Cynthia E. Organ | Glaser Weil Fink Howard Jordan & Shapiro | Los Angeles | #293468 | 2013 |
| Robert Benson Orgel | Pachulski Stang Ziehl & Jones LLP | Los Angeles | #101875 | 1981 |
| Daniel J. O'Rielly | O'Rielly & Roche LLP | Los Angeles | #214846 | 2001 |
| Nicolas Orihuela | Orihuela Law Firm, P.C. | Downey | #221898 | 2002 |
| James J. Orland | ORLAND LAW GROUP, APC | El Segundo | #161937 | 1992 |
| Emanuel Orlando | ICOLAW.net | Beverly Hills | #248138 | 2007 |
| Vivian I. Orlando | Maynard Nexsen LLP | Los Angeles | #213833 | 2001 |
| Ben D. Orlanski | Proskauer Rose LLP | Los Angeles | #181186 | 1995 |
| Leibel Orlanski | Greenspoon Marder, LLP | Los Angeles | #41502 | 1968 |
| Mallori R. Orlik | Mallori Orlik | Redondo Beach | #314992 | 2017 |
| Paul M. Orloff | Orloff & Associates APC | Downey | #216791 | 2001 |
| Rebecca Eden Orloff | Pollak, Vida & Barer | Los Angeles | #200305 | 1998 |
| Alex M. Orlov | Hinshaw & Culbertson LLP | Los Angeles | #359840 | 2025 |
| Emily R. Orman | Larson LLP | Los Angeles | #331471 | 2020 |
| Jacob A. Orme | Jones Day | Los Angeles | #365500 | 2025 |
| Richard P. Ormond | Buchalter, LLP | Los Angeles | #207442 | 2000 |
| David A. Orner | Goodwin Procter | Santa Monica | #329543 | 2019 |
| Christian I. Oronsaye | IVYCREST ATTORNEYS, APC | Chatsworth | #305690 | 2015 |
| Steven A. O'Rourke | Steven A. O'Rourke, J.D. | Tarzana | #144355 | 1989 |
| Abigail Nicole Falk Orozco | Steptoe LLP | Los Angeles | #352267 | 2023 |
| Agustin D. Orozco | Crowell & Moring LLP | Los Angeles | #271852 | 2010 |
| Jaqueline Orozco | Orbach Huff & Henderson LLP | Los Angeles | #275688 | 2011 |
| Corinne D. Orquiola | SJL Law LLP | El Segundo | #226969 | 2003 |
| Cheryl A. OrrState Bar certified specialist | Musick Peeler & Garrett LLP | Los Angeles | #132379 | 1987 |
| Heather S. Orr | Law Offices of Heather S. Orr | Beverly Hills | #239449 | 2005 |
| Nicholas R. Orr | Cooley LLP | Los Angeles | #334142 | 2021 |
| Robert MacGregor Orr | Robert M. Orr Attorney at Law | Signal Hill | #90039 | 1979 |
| Andrew J. Orsmond | — | Agoura Hills | #324356 | 2018 |
| Nicole A. Orso | TikTok | Culver City | #315661 | 2017 |
| Cuauhtemoc Ortega | Stris & Maher LLP | Cerritos | #257443 | 2008 |
| Kasee E. Ortega | The Walt Disney Company | Burbank | #323908 | 2018 |
| Lorena Ortega | O'Melveny & Myers LLP | Los Angeles | #196094 | 1998 |
| Mario C. Ortega | GBG LLP | Los Angeles | #272455 | 2010 |
| Patricia E. Ortega | Somos Group | Los Angeles | #362638 | 2025 |
| Randall Ortega | The Law Office of Jacob K Kashani APC | Van Nuys | #364618 | 2025 |
| Teresa L. Ortega | Segal McCambridge Singer & Mahoney | Los Angeles | #192262 | 1997 |
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