Sohu.com (SOHU)

Intellectual Property and Proprietary Rights

We regard our patents, copyrights, service marks, trademarks, trade secrets and other intellectual property as critical to our success. We rely on patent, trademark and copyright law, trade secret protection, non-competition and confidentiality and/or license agreements with our employees, customers, partners and others to protect our intellectual property rights. Despite our precautions, it may be possible for third parties to obtain and use our intellectual property without authorization. Furthermore, the validity, enforceability and scope of protection of intellectual property rights in Internet-related industries are uncertain and still evolving. The laws of the PRC and certain other countries do not protect intellectual property to the same extent as do the laws of the United States.

We have registered three service marks with the U.S. Patent and Trademark Office. They are (i) Sohu.com, registered on August 1, 2000; (ii) Sohu.com (stylized), registered on August 1, 2000; and (iii) Sohu, registered on June 13, 2000. We received the registration certificate for the mark “Sohu.com” issued by the China Trademark Office in October 2000. We have also filed registration applications with the China Trademark Office to register other key marks, including the Sohu Fox logo, 17173.com, Focus.cn, GoodFeel, Sogou, Go2Map, Tian Long Ba Bu, Blade Online, Changyou, DMD and their corresponding Chinese version marks. We succeeded in registering certain marks such as 17173, Focus.cn, GoodFeel, and Go2Map in the PRC under certain classes, while the others are still under examination by the China Trademark Office. Our rights to these marks could be affected adversely if any of our applications are rejected. In addition, it is possible that our competitors will adopt product or service names similar to ours, thereby impeding our ability to distinguish our brand and possibly leading to customer confusion.

Many parties are actively developing chat, homepage, search and related Web technologies. We expect these parties to continue to take steps to protect these technologies, including seeking patent protection. There may be patents issued or pending that are held by others and cover significant parts of our technology, business methods or services. For example, we are aware that a number of patents have been issued in the areas of e-commerce, Web-based information indexing and retrieval and online direct marketing. Disputes over rights to these technologies may arise in the future. We cannot be certain that our products do not or will not infringe valid patents, copyrights or other intellectual property rights held by third parties. We may be subject to legal proceedings and claims, from time to time, relating to the intellectual property of others in the ordinary course of our business.

We also intend to continue licensing technology from third parties. The market is evolving and we may need to license additional technologies to remain competitive. We may not be able to license these technologies on commercially reasonable terms or at all. In addition, we may fail to successfully integrate any licensed technology into our services. Our inability to obtain any of these licenses could delay product and service development until alternative technologies can be identified, licensed and integrated.

Intellectual Property and Proprietary Rights

FACE="Times New Roman" SIZE="2">We regard our patents, copyrights, service marks, trademarks, trade secrets and other intellectual property as critical to our success. We rely on patent, trademark and copyright law, trade secret protection,
non-competition and confidentiality and/or license agreements with our employees, customers, partners and others to protect our intellectual property rights. Despite our precautions, it may be possible for third parties to obtain and use our
intellectual property without authorization. Furthermore, the validity, enforceability and scope of protection of intellectual property rights in Internet-related industries are uncertain and still evolving. The laws of the PRC and certain other
countries do not protect intellectual property to the same extent as do the laws of the United States.

We have registered three service marks with the
U.S. Patent and Trademark Office. They are (i) Sohu.com, registered on August 1, 2000; (ii) Sohu.com (stylized), registered on August 1, 2000; and (iii) Sohu, registered on June 13, 2000. We received the registration
certificate for the mark “Sohu.com” issued by the China Trademark Office in October 2000. We have also filed registration applications with the China Trademark Office to register other key marks, including the Sohu Fox logo, 17173.com,
Focus.cn, GoodFeel, Sogou, Go2Map, Tian Long Ba Bu, Blade Online, Changyou, DMD and their corresponding Chinese version marks. We succeeded in registering certain marks such as 17173, Focus.cn, GoodFeel, and Go2Map in the PRC under certain classes,
while the others are still under examination by the China Trademark Office. Our rights to these marks could be affected adversely if any of our applications are rejected. In addition, it is possible that our competitors will adopt product or service
names similar to ours, thereby impeding our ability to distinguish our brand and possibly leading to customer confusion.

Many parties are actively
developing chat, homepage, search and related Web technologies. We expect these parties to continue to take steps to protect these technologies, including seeking patent protection. There may be patents issued or pending that are held by others and
cover significant parts of our technology, business methods or services. For example, we are aware that a number of patents have been issued in the areas of e-commerce, Web-based information indexing and retrieval and online direct marketing.
Disputes over rights to these technologies may arise in the future. We cannot be certain that our products do not or will not infringe valid patents, copyrights or other intellectual property rights held by third parties. We may be subject to legal
proceedings and claims, from time to time, relating to the intellectual property of others in the ordinary course of our business.

We also intend to
continue licensing technology from third parties. The market is evolving and we may need to license additional technologies to remain competitive. We may not be able to license these technologies on commercially reasonable terms or at all. In
addition, we may fail to successfully integrate any licensed technology into our services. Our inability to obtain any of these licenses could delay product and service development until alternative technologies can be identified, licensed and
integrated.

Intellectual Property and Proprietary Rights

We regard our copyrights, service marks, trademarks, trade secrets and other intellectual property as critical to our success. We rely on trademark and copyright law, trade secret protection, non-competition and confidentiality and/or license agreements with our employees, customers, partners and others to protect our intellectual property rights. Despite our precautions, it may be possible for third parties to obtain and use our intellectual property without authorization. Furthermore, the validity, enforceability and scope of protection of intellectual property rights in Internet-related industries are uncertain and still evolving. The laws of the PRC and certain other countries do not protect intellectual property to the same extent as do the laws of the United States.

We have registered three service marks with the U.S. Patent and Trademark Office. They are (i) Sohu.com, registered on August 1, 2000; (ii) Sohu.com (stylized), registered on August 1, 2000; and (iii) Sohu, registered on June 13, 2000. We received the registration certificate for the mark “Sohu.com” issued by the China Trademark Office in October 2000. We have also filed registration applications with the China Trademark Office to register other key marks, including the Sohu Fox logo, 17173.com, Focus.cn, Goodfeel, Sogou, Go2Map and their corresponding Chinese version marks. We received registration certificate for the marks “Focus.cn” and “Go2Map”, respectively, in November 2004 and November 2000, and transfer certificates for the marks “17173” and “GoodFeel”, respectively, in February 2005 and June 2006, while the others are still under examination by the China Trademark Office. Our rights to these marks could be affected adversely if any of our applications are rejected. In addition, it is possible that our competitors will adopt product or service names similar to ours, thereby impeding our ability to distinguish our brand and possibly leading to customer confusion.

Many parties are actively developing chat, homepage, search and related Web technologies. We expect these parties to continue to take steps to protect these technologies, including seeking patent protection. There may be patents issued or pending that are held by others and cover significant parts of our technology, business methods or services. For example, we are aware that a number of patents have been issued in the areas of e-commerce, Web-based information indexing and retrieval and online direct marketing. Disputes over rights to these technologies may arise in the future. We cannot be certain that our products do not or will not infringe valid patents, copyrights or other intellectual property rights held by third parties. We may be subject to legal proceedings and claims, from time to time, relating to the intellectual property of others in the ordinary course of our business.

We also intend to continue licensing technology from third parties. The market is evolving and we may need to license additional technologies to remain competitive. We may not be able to license these technologies on commercially reasonable terms or at all. In addition, we may fail to successfully integrate any licensed technology into our services. Our inability to obtain any of these licenses could delay product and service development until alternative technologies can be identified, licensed and integrated.

Intellectual Property and Proprietary Rights

FACE="Times New Roman" SIZE="2">We regard our copyrights, service marks, trademarks, trade secrets and other intellectual property as critical to our success. We rely on trademark and copyright law, trade secret protection, non-competition and
confidentiality and/or license agreements with our employees, customers, partners and others to protect our intellectual property rights. Despite our precautions, it may be possible for third parties to obtain and use our intellectual property
without authorization. Furthermore, the validity, enforceability and scope of protection of intellectual property rights in Internet-related industries are uncertain and still evolving. The laws of the PRC and certain other countries do not protect
intellectual property to the same extent as do the laws of the United States.

We have registered three service marks with the U.S. Patent and Trademark
Office. They are (i) Sohu.com, registered on August 1, 2000; (ii) Sohu.com (stylized), registered on August 1, 2000; and (iii) Sohu, registered on June 13, 2000. We received the registration certificate for the mark
“Sohu.com” issued by the China Trademark Office in October 2000. We have also filed registration applications with the China Trademark Office to register other key marks, including the Sohu Fox logo, 17173.com, Focus.cn, Goodfeel, Sogou,
Go2Map and their corresponding Chinese version marks. We received registration certificate for the marks “Focus.cn” and “Go2Map”, respectively, in November 2004 and November 2000, and transfer certificates for the marks
“17173” and “GoodFeel”, respectively, in February 2005 and June 2006, while the others are still under examination by the China Trademark Office. Our rights to these marks could be affected adversely if any of our applications
are rejected. In addition, it is possible that our competitors will adopt product or service names similar to ours, thereby impeding our ability to distinguish our brand and possibly leading to customer confusion.

Intellectual Property and Proprietary Rights

We regard our copyrights, service marks, trademarks, trade secrets and other intellectual property as critical to our success. We rely on trademark and copyright law, trade secret protection, non-competition and confidentiality and/or license agreements with our employees, customers, partners and others to protect our intellectual property rights. Despite our precautions, it may be possible for third parties to obtain and use our intellectual property without authorization. Furthermore, the validity, enforceability and scope of protection of intellectual property rights in Internet-related industries are uncertain and still evolving. The laws of the PRC and certain other countries do not protect intellectual property to the same extent as do the laws of the United States.

We have registered three service marks with the U.S. Patent and Trademark Office. They are (i) Sohu.com, registered on August 1, 2000; (ii) Sohu.com (stylized), registered on August 1, 2000; and (iii) Sohu, registered on June 13, 2000. We received the registration certificate for the mark “Sohu.com” issued by the China Trademark Office in October 2000. We have also filed registration applications with the China Trademark Office to register other key marks, including the Sohu Fox logo, 17173.com, Focus.cn, Goodfeel, Sogou, Go2Map and their corresponding Chinese version marks. We received registration certificate for the marks “Focus.cn” and “Go2Map”, respectively, in November 2004 and November 2000, and transfer certificates for the marks “17173” and “GoodFeel”, respectively, in February 2005 and June 2006, while the others are still under examination by the China Trademark Office. Our rights to these marks could be affected adversely if any of our applications are rejected. In addition, it is possible that our competitors will adopt product or service names similar to ours, thereby impeding our ability to distinguish our brand and possibly leading to customer confusion.

Many parties are actively developing chat, homepage, search and related Web technologies. We expect these parties to continue to take steps to protect these technologies, including seeking patent protection. There may be patents issued or pending that are held by others and cover significant parts of our technology, business methods or services. For example, we are aware that a number of patents have been issued in the areas of e-commerce, Web-based information indexing and retrieval and online direct marketing. Disputes over rights to these technologies may arise in the future. We cannot be certain that our products do not or will not infringe valid patents, copyrights or other intellectual property rights held by third parties. We may be subject to legal proceedings and claims, from time to time, relating to the intellectual property of others in the ordinary course of our business.

We also intend to continue licensing technology from third parties. The market is evolving and we may need to license additional technologies to remain competitive. We may not be able to license these technologies on commercially reasonable terms or at all. In addition, we may fail to successfully integrate any licensed technology into our services. Our inability to obtain any of these licenses could delay product and service development until alternative technologies can be identified, licensed and integrated.

Intellectual Property and Proprietary Rights

We regard our copyrights, service marks, trademarks, trade secrets and other intellectual property as critical to our success. We rely on trademark and copyright law, trade secret protection, non-competition and confidentiality and/or license agreements with our employees, customers, partners and others to protect our intellectual property rights. Despite our precautions, it may be possible for third parties to obtain and use our intellectual property without authorization. Furthermore, the validity, enforceability and scope of protection of intellectual property rights in Internet-related industries are uncertain and still evolving. The laws of the PRC and certain other countries do not protect intellectual property to the same extent as do the laws of the United States.

We have registered three service marks with the U.S. Patent and Trademark Office. They are (i) Sohu.com, registered on August 1, 2000; (2) Sohu.com (stylized), registered on August 1, 2000; and (3) Sohu, registered on June 13, 2000. We received the registration certificate for the mark “Sohu.com” issued by the China Trademark Office in October 2000. We have also filed registration applications with the China Trademark Office to register other key marks, including the Sohu Fox logo, 17173.com, Focus.cn, Goodfeel, Sogou, Go2Map and their corresponding Chinese version marks. We received a registration certificate for the mark “Focus.cn” in November 2004, while the others are still under examination by the China Trademark Office. Our rights to these marks could be affected adversely if any of our applications are rejected. In addition, it is possible that our competitors will adopt product or service names similar to ours, thereby impeding our ability to distinguish our brand and possibly leading to customer confusion.

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Many parties are actively developing chat, homepage, search and related Web technologies. We expect these parties to continue to take steps to protect these technologies, including seeking patent protection. There may be patents issued or pending that are held by others and that cover significant parts of our technology, business methods or services. For example, we are aware that a number of patents have been issued in the areas of e-commerce, Web-based information indexing and retrieval and online direct marketing. Disputes over rights to these technologies may arise in the future. We cannot be certain that our products do not or will not infringe valid patents, copyrights or other intellectual property rights held by third parties. We may be subject to legal proceedings and claims from time to time relating to the intellectual property of others in the ordinary course of our business.

We also intend to continue licensing technology from third parties. The market is evolving and we may need to license additional technologies to remain competitive. We may not be able to license these technologies on commercially reasonable terms or at all. In addition, we may fail to successfully integrate any licensed technology into our services. Our inability to obtain any of these licenses could delay product and service development until alternative technologies can be identified, licensed and integrated.

Intellectual Property and Proprietary Rights

We regard our copyrights, service marks, trademarks, trade secrets and other intellectual property as critical to our success. We rely on trademark and copyright law, trade secret protection, non-competition and confidentiality and/or license agreements with our employees, customers, partners and others to protect our intellectual property rights. Despite our precautions, it may be possible for third parties to obtain and use our intellectual property without authorization. Furthermore, the validity, enforceability and scope of protection of intellectual property rights in Internet-related industries are uncertain and still evolving. The laws of the PRC and certain other countries do not protect intellectual property to the same extent as do the laws of the United States.

We have registered the domain names “www.Sohu.com” and “www.ChinaRen.com” with Network Solutions and are in the process of transferring the domain names “www.sogou.com,” “www.17173.com,” and “www.17173.net” from a domestic domain name registration agency to Network Solutions. We also registered the domain names “www.Sohu.com.cn”, “www.ChinaRen.com.cn”, “www.focus.com.cn”, “www.17173.com.cn”, “www.17173.net.cn” and “www.goodfeel.com.cn” with China Internet Network Information Center, a domain name registration service in China, and have full legal rights over these domain names.

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Table of Contents

We have registered three service marks with the U.S. Patent and Trademark Office. They are (i) Sohu.com, registered on August 1, 2000; (2) Sohu.com (stylized), registered on August 1, 2000; and (3) Sohu, registered on June 13, 2000. We received the registration certificate for the mark “Sohu.com” issued by the China Trademark Office in October 2000. We have also filed registration applications with the China Trademark Office to register other key marks, including the Sohu Fox logo, 17173.com, focus.cn, sogou and their corresponding Chinese version marks. We received a registration certificate for the mark “focus.cn” in November 2004, while the others are still under examination by the China Trademark Office. Our rights to these marks could be affected adversely if any of our applications are rejected. In addition, it is possible that our competitors will adopt product or service names similar to ours, thereby impeding our ability to distinguish our brand and possibly leading to customer confusion.

Many parties are actively developing chat, homepage, search and related Web technologies. We expect these parties to continue to take steps to protect these technologies, including seeking patent protection. There may be patents issued or pending that are held by others and that cover significant parts of our technology, business methods or services. For example, we are aware that a number of patents have been issued in the areas of e-commerce, Web-based information indexing and retrieval and online direct marketing. Disputes over rights to these technologies are likely to arise in the future. We cannot be certain that our products do not or will not infringe valid patents, copyrights or other intellectual property rights held by third parties. We may be subject to legal proceedings and claims from time to time relating to the intellectual property of others in the ordinary course of our business.

We also intend to continue licensing technology from third parties. The market is evolving and we may need to license additional technologies to remain competitive. We may not be able to license these technologies on commercially reasonable terms or at all. In addition, we may fail to successfully integrate any licensed technology into our services. Our inability to obtain any of these licenses could delay product and service development until alternative technologies can be identified, licensed and integrated.