繁體中文 | English | 日本語 Home Page | Contact Us
OVERVIEW
MEMBERS
CLIENT ONLY
TIPS
IP NEWS
LAW & REGULATIONS
APPLICATION FAQ
RELATED WEBSITES
 
 
 
4. Are indefinite terms (e.g. “at least one”) allowed in a claim? How are indefinite terms used in a
 
The numerical terminology used in a claim can only indicate the minimum or the maximum value, or to include the range between 0 to 100%. For example, “greater than..,” “smaller than…,” “at least…,” “at most…,” “…above,” “…below,” “0 to…%,” and so on, may usually result in an unclear claim. Only when this kind of terminology has a clear definition in a specific technical field, or when those skilled in the art can understand the scope based on the specification, which will not result in an unclear definition, can this type of terminology be used in a claim.
 
0. Application Forms: Patent Power of Attorney, Patent Assignment, Trademark Power of Attorney 2007/7/24
1. What are the examination procedures for an invention patent application? 2007/6/21
2. What are the important elements that should be included in a specification? 2007/6/21
3. Does the later part of Paragraph 3 of Article 26 of the Patent Law, “each claim shall be written 2007/6/21
4. Are indefinite terms (e.g. “at least one”) allowed in a claim? How are indefinite terms used in a 2007/6/21
More  
 
 
 
11th F1., 148 Songjiang Rd., Taipei, Taiwan | Tel : 886-2-2571-0150 | Fax : 886-2-2562-9103 | Email : info@tsailee.com.tw
© 2007 TSAI, LEE & CHEN CO LTD All Right Reserved Map