FOUNDING ATTORNEY
Mark Egan McGuinness II
California State Bar #343462 ยท Admitted in California and before the United States District Court for the Southern District of California
Mark founded Yes Legal of San Diego in 2022 to provide clients with candid legal advice, independent professional judgment, and practical options for moving difficult matters forward.
PRACTICE
What Mark works on.
Mark is the firm's Founding Attorney. His practice covers the areas described on this site.
Legal Assessments. A defined, paid legal assessment that reviews your documents and facts, identifies the issues and deadlines, and delivers a written action plan with practical options.
Contracts and Business. Drafting, review, revision, and negotiation of California contracts and business agreements, structured around the decision you are actually making.
Disputes and Pre-Litigation. Demand letters, responses, negotiation strategy, settlement analysis, and pre-litigation planning for California disputes, built around your objective and your leverage.
Employment and Severance. Review of California severance agreements, workplace disputes, termination and retaliation concerns, and employer-side advice, usually on a short timeline.
Limited-Scope Services. Limited-scope representation for a specific California document, decision, negotiation, or stage, with the boundaries defined in writing before work begins.
Additional Legal Services. Yes Legal evaluates selected other California matters and will say plainly when another attorney is a better fit for what you need.
Work in each of these areas is structured the same way: an introductory call to establish fit and scope, a defined assessment where closer review is warranted, and a written deliverable setting out the options.
EXPERIENCE
Across civil and criminal matters.
Mark's work has spanned a broad range of civil and criminal matters: state and federal criminal cases, including federal drug and firearms matters; restraining order proceedings; conservatorships; unlawful detainer; civil cases acting for both plaintiffs and defendants; business and contract disputes; employment matters; insurance related litigation; and other contested proceedings.
That work has included early case assessment, legal research and strategy, pleadings, discovery, negotiation, hearings, litigation, settlement, and limited-scope representation. He has assisted clients at different stages of a matter, from identifying the underlying legal problem through developing a strategy, preparing documents, appearing in contested proceedings, and working toward resolution.
Acting on both the plaintiff and the defence side is useful in a specific way: it makes the arguments the other party will raise easier to anticipate, and it sharpens the distinction between a position that is legally available and one that is worth pursuing in practice.
Alongside that, Mark assists businesses and individuals with contract drafting and review, demand letters, settlement negotiation, employment issues, developing disputes, ongoing counsel, and defined legal assessments. The practice is structured so that clients can obtain meaningful legal analysis without committing to full representation at every stage.
BACKGROUND AND LEGAL TRAINING
Practical experience before admission.
Before admission to the California Bar, Mark worked as a legal assistant, a teaching assistant, an intern, and a certified law student.
Under California's Practical Training of Law Students programme, working with Veterans Village of San Diego, he identified legal issues affecting clients, worked under the supervision of three licensed attorneys, and appeared on the record in court in 2015.
During law school he served as a law review editor and led lectures and review sessions for other students. His graduate study covers business, marketing, psychology, human behaviour, political science, and sociology, which informs how he approaches negotiation, client counselling, and dispute strategy.
Education
Juris Doctor
Master of Business Administration, with a focus in marketing
Master of Arts in Human Behavioral Psychology
Bachelor of Science in Political Science, with a minor in Sociology
Admissions
State Bar of California, licence number 343462
United States District Court for the Southern District of California
APPROACH
Independent judgment, written down.
Mark's view is that a lawyer's job is not to confirm the answer a client was hoping for, and not to reach for the most combative option available. It is to examine the facts, identify what the law actually supports, explain the risks and the choices, and help the client decide.
In practice that means identifying the weaknesses in a position as clearly as the strengths, saying when a claim is not worth pursuing, saying when a step can reasonably be taken without a lawyer, and saying when another attorney would be a better fit for the matter.
Clients should understand what a matter is likely to require, what may realistically be achieved, what may not be worth pursuing, and what the next step will cost, before committing to a larger engagement. The client sets the objective. The firm provides the legal judgment, strategy, drafting, negotiation, and advocacy needed to pursue it.
How engagements begin
Every matter starts with a free introductory call limited to intake, scope, and fit. No legal advice is given during that call. Representation begins only after conflicts are cleared and a written engagement agreement is signed.
COMMON QUESTIONS
Questions about working with Mark.
Who provides legal advice at the firm?
All legal advice and legal work at Yes Legal is provided by a licensed attorney. Mark is the firm's Founding Attorney and is admitted to practise in California.
Where is Mark admitted to practise?
He is admitted by the State Bar of California, and before the United States District Court for the Southern District of California.
Matters governed by the law of another state, or arising in another federal district, would require counsel admitted there.
How do I arrange to speak with him?
Use the introductory call request form, or call (619) 491-7076. The introductory call is free and is limited to intake, scope, and fit.