Atty. Billy Katelanos

Atty. Billy Katelanos

Billy Katelanos is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Billy, who practices law in Montréal, Quebec, has been recognized since 2022.

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Corporate And Commercial Litigation Attorney · Serving Montreal, QC

Profile Summary

About Billy Katelanos at a Glance

Billy Katelanos is a business and litigation attorney based in Montreal, Quebec, practicing at Gowling WLG. Recognitions include Best Lawyers in America — Corporate and Commercial Litigation (2026). Serves clients in Montreal, QC and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Billy Katelanos

  • Billy Katelanos is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation
  • Billy, who practices law in Montréal, Quebec, has been recognized since 2022
  • This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Billy is held by other top lawyers in the same geographic and legal practice area

Practice Areas Explained

Billy Katelanos's Areas of Legal Practice

Each practice area below reflects the types of cases Billy Katelanos handles, with a practical overview of what that area of law involves and how it may apply to your situation in Montreal.

Business & Corporate Law in Montreal

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Billy Katelanos is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Quebec →

Civil Litigation in Montreal

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Billy Katelanos is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Quebec →

Jurisdictional Context

Why Local Counsel Matters in Montreal

Practicing law in Quebec. Legal matters in Quebec are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Montreal are typically filed in the local municipal court or the appropriate Quebec state district court, depending on subject matter and amount in controversy. An attorney licensed in Quebec brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Quebec courts without local counsel or pro hac vice admission.

Montreal Courts and Legal Process

Choosing a Montreal-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Quebec attorneys? Browse all attorneys in Montreal or all attorneys in Quebec.

Frequently Asked

Common Questions About Billy Katelanos

Where is Billy Katelanos's law office located?
Billy Katelanos's law practice is located in Montreal, Quebec. The firm is Gowling WLG. You can contact the office directly through this profile page.
What practice areas does Billy Katelanos handle?
Billy Katelanos focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in Quebec.
How can I contact Billy Katelanos for a consultation?
You can contact Billy Katelanos directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Billy Katelanos received?
Billy Katelanos's notable recognition includes: Best Lawyers in America — Corporate and Commercial Litigation.

Professional Profile

Why Clients in Montreal Choose Billy Katelanos

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Billy Katelanos's practice in the field of business and litigation.

Broad Practice Area Coverage

Covering business and litigation, Billy Katelanos can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Montreal

A Montreal-based practice means Billy Katelanos attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Billy Katelanos Handles in Montreal

Below is a representative sample of the types of matters Billy Katelanos has experience with under Quebec law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact Billy Katelanos directly to discuss the specifics of your situation.

Search Reference

How People Find Billy Katelanos Online

Prospective clients searching for legal help in Montreal commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Billy Katelanos.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Billy Katelanos directly.

Billy Katelanos's Practice Areas & Specializations

Awards & Professional Honors

Best Lawyers in America — Corporate and Commercial Litigation
- 2026

Client Reviews & Ratings — Billy Katelanos

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