Trademark Class 42: Science and Technology Services
Class 42 includes scientific and technical services, such as those performed by professions such as chemists, physicists, engineers, and computer programmers.
Complete Listing of All Goods in Class 42
Consider marks like AGRIAN (computer services for agriculture), PIXEL POOL (graphic illustration), JIFF (parenting skills software), all of which are good examples of Class 42 trademarks.
Class 42 is not as broad as you might expect, however. You would not use Class 42 if you were registering:
business research and evaluations
word processing and computer file management services
financial and fiscal evaluations
mining and oil extraction
computer (hardware) installation and repair services
services provided by the members of professions such as medical doctors, veterinary surgeons, psychoanalysts
medical treatment services
garden design, or