Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

Leah Susan Ranke

Currently registered

Leah Susan Ranke is an attorney admitted to the New York State Bar in 1991, with a registered practice address in Buffalo, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number2377158
Bar statusCurrently registered
Year admitted1991
Judicial departmentDepartment 4
Law schoolSuny Buffalo Law School
Practice cityBuffalo, NY
CountyErie
Firm / organizationColligan Law
Office address12 Fountain Plz Ste 600, Buffalo, NY, 14202
Phone(716) 885-1150
Next registration dueOct 2027

About Colligan Law, LLP

Colligan Law, LLP is a Buffalo-based firm that serves businesses and business owners. Its client base is described as including startups, established companies, entrepreneurs and technology companies. The firm says it focuses on middle-market businesses and aims to pair advanced representation with individual attention. Its lawyers are said to cover matters from formation and venture funding through compliance, tax planning, litigation, and succession planning. Its practice covers corporations, limited liability companies, partnerships and sole proprietorships.

Practice areas of Colligan Law, LLP:

Bankruptcy & Restructuring Commercial Litigation Corporate & M&A Employment & Labor Health Care Intellectual Property Real Estate Tax Trusts & Estates

These are the practice areas the organization describes on its website. They are not a statement about Leah Susan Ranke’s own practice or any specialty certification.

View the Colligan Law, LLP profile and its 17 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

Verify this record

Bar status can change at any time. For the authoritative, real-time status of Leah Susan Ranke, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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