专利信息用户组织 The Patent Information User Group, Inc. mission is to support, assist, improve and enhance the success of patent information professionals through leadership, education, communication, advocacy and networking.
patent-drawings Ultimate Technology Directories by TenLinks find and organize sites in all subjects of interest to Technology professionals.
瑞士专代人协会 Verband der freiberuflichen Europäischen und Schweizer Patentanwälte (VESPA),Association des conseils en brevets suisses et européens de profession libérale (ACBSE)