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Cambridge, MA, United States of America

Lotus Development Corporation

USPTO Granted Patents = 15

Trademarks = 7

Forward Citations = 1,272

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42 inventors (with patents filed for the assignee):

David P Reed (3 out of 5 patents)

Richard A Landsman (2 out of 2 patents)

R Pito Salas (2 out of 2 patents)

4. William T Gross (2 out of 2 patents)

5. Lawrence S Gross (2 out of 2 patents)

6. David A Rolfe (2 out of 2 patents)

7. Raymond Edward Ozzie (1 out of 93 patents)

8. Eric M Patey (1 out of 9 patents)

9. Stephen A Klein (1 out of 15 patents)

10. Edward M Batchelder (1 out of 4 patents)

11. Jonathan P Booth (1 out of 3 patents)

12. Steven R Beckhardt (1 out of 118 patents)

13. Charles W Kaufman (1 out of 77 patents)

14. Mitchell D Kapor (1 out of 1 patent)

15. Edward J Belove (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 5862400 - Formula processor having cache means for storing and retrieving results (1999-01-19),

2. 5691708 - Text abstraction method and apparatus (1997-11-25),

3. 5664099 - Method and apparatus for establishing a protected channel between a user (1997-09-02),

4. 5546525 - Computer user interface with multimode selection of displayed controls (1996-08-13),

5. 5491508 - PC video conferencing (1996-02-13),

6. 5475836 - Interface for providing access to external data sources/sinks (1995-12-12),

7. 5416900 - Presentation manager (1995-05-16),

8. 5404488 - Realtime data feed engine for updating an application with the most (1995-04-04),

9. 5371675 - Spreadsheet program which implements alternative range references (1994-12-06),

10. 5317686 - Data processing apparatus and method for a reformattable (1994-05-31),

11. 5312478 - System for managing information in a three dimensional workspace (1994-05-17),

12. 5303361 - Search and retrieval system (1994-04-12),

13. 5115504 - Information management system (1992-05-19),

14. 4788538 - Method and apparatus for determining boundaries of graphic regions (1988-11-29),

15. 4771354 - Write-protect clip (1988-09-13),

Lotus Development Corporation was a software company that developed the popular spreadsheet application Lotus 1-2-3. Founded in 1982, Lotus was an early leader in the software industry and played a significant role in the growth of personal computing. In addition to Lotus 1-2-3, the company also developed other popular software products such as Lotus Notes and Lotus SmartSuite. Lotus was acquired by IBM in 1995 and its software products were integrated into IBM's portfolio.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

15 Patents

#169 in Cambridge, MA

#1,271 in Massachusetts

#21,011 in US

#39,801 in the World

Cambridge, MA, United States of America

Lotus Development Corporation

Forward Citations = 1,272

42 inventors:

David P Reed (3 out of 5 patents)

Richard A Landsman (2 out of 2 patents)

R Pito Salas (2 out of 2 patents)

4. William T Gross (2 out of 2 patents)

5. Lawrence S Gross (2 out of 2 patents)

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