| Company | Selected Patents by Number and Description |
| Amazon | 5,960,411 — Method and system for placing a purchase order via a communications network (One-click purchase). 5,715,399 — Secure method and system for communicating a list of credit card numbers over a non-secure network. 5,727,163 — Secure method for communicating credit card data when placing an order on a non-secure network. 5,826,258 — Method and apparatus for structuring the querying and interpretation of semistructured information. 5,963,949 — Method for data gathering around forms and search barriers. 5,999,924 — Method for producing sequenced queries. 6,029,141 — Internet-based customer referral system (Affiliate program). 6,525,747 — Method and system for conducting a discussion relating to an item. |
| America Online | 6,393,469 — Method and apparatus for publishing hypermedia documents. 6,385,656 — Selective recompression of files in a network system. 6,381,599 — Seamless integration of internet resources. 6,339,784 — Self-policing, rate limiting online forums. 6,012,051 — Consumer profiling system with analytic decision processor. 6,009,413 — System for real time shopping. |
| Coolsavings | 5,761,648 — Interactive marketing network and process using electronic certificates (Distributing discount coupons over the web). |
| Counterpane | 5,978,475 — Event auditing system. |
| DoubleClick | 5,948,061 — Method of delivery, targeting, and measuring advertising over networks. |
| eBay | 6,415,320 — Information presentation and management in an online trading environment. 6,058,417 — Information presentation and management in an online trading environment. |
| Monster (TMP) | 5,832,497 — Electronic automated information exchange and management system. |
| Netflix | 6,584,450 — Method and apparatus for renting items. |
| Overture | 6,269,361 — System and method for influencing a position on a search result list generated by a computer network search engine (Pay for performance search). |
| Priceline (Walker Digital) | 6,356,878 — Conditional purchase offer buyer agency system. 6,345,090 — Conditional purchase offer management system for telephone calls. 6,332,129 — Method and system for utilizing a psychographic questionnaire in a buyer-driven commerce system. 6,240,396 — Conditional purchase offer management system for event tickets. 6,134,534 — Conditional purchase offer management system for cruises. 6,108,639 — Conditional purchase offer (CPO) management system for collectibles. 6,085,169 — Conditional purchase offer management system. 6,041,308 — System and method for motivating submission of conditional purchase offers. 5,897,620 — Method and apparatus for the sale of airline-specified flight tickets. 5,797,127 — Method, apparatus, and program for pricing, selling, and exercising options to purchase airline tickets (Walker Digital). 5,794,207 — Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers (Walker Digital). |
| Yahoo! | 6,381,594 — System and method for personalized information filtering and alert generation. 6,359,633 — Apparatus and method for abstracting markup language documents. 6,343,302 — Remote web site authoring system and method. 6,216,157 — Method and apparatus for a client-server system with heterogeneous clients. 6,205,469 — Method for client-server communications through a minimal interface. 5,991,756 — Information retrieval from hierarchical compound documents. 5,983,227 — Dynamic page generator. |