近期陆续有卖家反馈自己的品牌失效，原因是商标没做宣誓。品牌失效意味着亚马逊品牌备案将被撤， 相关的品牌功能全都丧失，不仅品牌失去保护，容易被侵权跟卖缠身，而且账号权重、产品销量等也会 受到到影响，后果严重，务必重视！ 什么是商标宣誓？ 美国商标局规定，美国商标有效期为10年，但是自商标注册成功之日起第5-6年、第9-10年以及商标每 10年续展时，都需要提交商标继续使用声明及宣誓书，否则该商标将会被无效，无法继续获得美国商标 局的保护！ ▼美国商标局下发相关通知 也就是说，2020、2021年注册成功的美国商标从今年开始进行5-6年宣誓。已经到了或即将要到宣誓时 间的卖家，一定要按时提交美国商标宣誓书及使用声明！积特整理美国商标宣誓时间查询教程，可供大 家自行查询，有需要的卖家可以留言~ 如何进行美国商标5-6年宣誓？ 美国商标5-6年宣誓有以下两种方式： 方式一：提交使用声明+使用证据（必选项） 方式二：提交使用声明+使用证据+不可抗辩宣誓声明（可选项） 如果商标已在主簿注册并满足某些法律要求，包括在商业中连续使用至少五年，可以在递交宣誓的同时 提交不可抗辩声明/无可争议性声明。提交不可抗辩宣誓声明可加重商 ...

Core Insights - Establishing a company in the United States has become a standard practice for sellers in the booming cross-border e-commerce sector, providing significant advantages in brand recognition and market access. Group 1: Benefits of Registering a U.S. Company - **Brand Enhancement and Trust**: Having a U.S. company label significantly increases trust among local buyers, thereby improving conversion rates and facilitating access to local distribution channels [3]. - **Tax Incentives and Cost Reduction**: U.S. federal and state governments offer various tax incentives that allow companies to legally reduce their tax burdens, which is particularly beneficial for cross-border sellers facing tight profit margins [4]. - **Easier Platform Access**: Sellers using U.S. companies to register on platforms like Amazon and eBay experience simpler processes and higher account credibility, leading to potential promotional advantages [5]. - **Trademark Application Facilitation**: U.S. trademarks are highly recognized internationally, and applying for them through a U.S. company is more straightforward, providing robust legal protection for brands [6]. - **Bank Account Accessibility**: Establishing a U.S. company allows for opening local bank accounts, enabling direct payments and reducing reliance on third-party payment platforms, thus mitigating foreign exchange risks [7]. Group 2: Popular States for Company Registration - **Delaware**: Known for its mature legal system, Delaware is favored by many large companies and offers tax benefits such as no sales tax and no intangible asset tax, making it ideal for e-commerce sellers aiming for international brand presence [8]. - **Nevada**: Often referred to as a "tax haven," Nevada has no personal or corporate income tax and offers high privacy for shareholders, making it suitable for sellers prioritizing confidentiality [9]. - **California**: A prime location for tech and creative products, California provides access to a concentrated talent pool and resources, making it ideal for sellers looking to localize their operations in North America's largest consumer market [10]. - **Colorado**: Known for its low registration and maintenance costs, Colorado is a cost-effective option for sellers in the early stages of their business, with high flexibility in company naming [11]. Group 3: Strategic Importance of U.S. Company Registration - Registering a U.S. company is not merely a trend but a crucial strategy for global expansion, offering benefits in brand premium, operational convenience, and cost optimization, enabling cross-border sellers to compete more effectively [12].