Forward Citations = 87

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4 inventors (with patents filed for the assignee):

Liam Cheung (3 out of 5 patents)

Ralph Bruce Ferguson (3 out of 17 patents)

Ronald Scott Boyd (3 out of 3 patents)

4. Charles Keller Reid (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 8156035 - Modeling financial instruments using bid and ask prices (2012-04-10),

2. 8090644 - Modeling financial instruments using bid and ask prices (2012-01-03),

3. 8015099 - Order routing system and method incorporating dark pools (2011-09-06),

4. 7542939 - Modeling financial instruments using bid and ask prices (2009-06-02),

Penson Worldwide, Inc. is a leading provider of clearing and execution services for financial institutions and active traders around the globe. With a strong emphasis on technology and innovation, Penson offers a wide range of solutions to help clients optimize their trading operations and maximize their returns. With a history dating back to 1995, Penson has established a reputation for reliability, efficiency, and customer service excellence in the financial services industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#443 in Dallas, TX

#3,833 in Texas

#58,999 in US

Dallas, TX, United States of America

Penson Worldwide, Inc.

Forward Citations = 87

4 inventors:

Liam Cheung (3 out of 5 patents)

Ralph Bruce Ferguson (3 out of 17 patents)

Ronald Scott Boyd (3 out of 3 patents)

4. Charles Keller Reid (1 out of 1 patent)

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