Intellectual Property Law
Chapter 18 Internet Resources
The first seven questions may be answered by accessing the USPTO website.
1. Access the USPTO’s CPC Scheme Page.
a. What is Subclass DO5?
b. Select DO5B. What items are classified as DO5B 55/04?
2. Use the search box to locate the roster of patent attorneys and agents. What is the
registration number for Robert MacKichan? When was he registered with the
USPTO?
3. Select “Patent Number Search” for patents. Give the title or brief description for
each of the following patents, identify when they will expire, and provide the due
dates for any maintenance payments related to the patents.
a. Utility patent no. 9,089,123
b. Design patent no. D488,590
c. Plant patent no. 12,144
d. Reissue patent no. 42,997
4. Select “Quick Search” for patents. Locate a patent whose inventor is James Clint
Cox and whose title is “Dragging apparatus and assembly for hunters.” To which
patent number are you directed?
5. How many claims are there in U.S. Patent No. 9,089,135?
6. Use the USPTO’s Glossary. What is the definition of “statutory disclaimer”?
7. Review MPEP Chapter 1400. What four grounds are listed as the most common
bases for filing a reissue application?
8. Access Google’s patent search engine and locate Design Patent No. D500,188.
Who is the inventor, and what design is the patent for?