Ridder, Costa & Johnstone LLP Employee Directory

Q: How many employees does Ridder, Costa & Johnstone LLP have currently?

Ridder, Costa & Johnstone LLP has approximately 3 employees.

Law PracticeCalifornia, United States2-10 Employees

Ridder, Costa & Johnstone LLP is a small law firm based in San Francisco. We advise clients and litigate cases regarding intellectual property, new media, privacy, software and Internet law. We offer high-quality, focused, efficient representation at competitive rates.

Find Ridder, Costa & Johnstone LLP employees' phone numbers or email addresses

Ridder, Costa & Johnstone LLP Global Highlights

North America
3

United States Of America
3

Ridder, Costa & Johnstone LLP's Leadership

B. C.
Partner
Mobile Phone
Email
E. J.
Partner
Mobile Phone
Email

Ridder, Costa & Johnstone LLP Employee Metrics

100%

50%

2026

2025

Legal
Accounting
Administrative
Analytics
Arts & Design
Other

Contact profiles from Ridder, Costa & Johnstone LLP

Name

Title

Contact Info

Location

Last Update

B. C.
Partner
Mobile Phone
Email
United StatesCalifornia
Jun 02, 2025
E. J.
Partner
Mobile Phone
Email
United StatesCalifornia
Jun 01, 2025

Frequently Asked Questions

What is Ridder, Costa & Johnstone LLP known for?

Ridder, Costa & Johnstone LLP operates in the Law Practice industry. The company's main headquarters is located in San Francisco, California 94105 United States; you can contact the main corporate office by phone at

+1-415-391-****

. Explore Ridder, Costa & Johnstone LLP's company overview page for more information.

What is Ridder, Costa & Johnstone LLP's most common email format?

Ridder, Costa & Johnstone LLP employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Ridder, Costa & Johnstone LLP email formats with LeadIQ.

How many employees does Ridder, Costa & Johnstone LLP have currently?

Ridder, Costa & Johnstone LLP has approximately 3 employees as of February 2026. These team members are located across 1 continents, including North America.

Who are Ridder, Costa & Johnstone LLP's key employees and leadership?

As of February 2026, Ridder, Costa & Johnstone LLP's key employees include:

Partner: B. C.
Partner: E. J.

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