Helpful Links

This is a listing of links which DeMarco Intellectual Property has found useful on a day to day basis:

USPTO Home Page

USPTO Manual of Classification (CPC and USPC Schedule)

USPTO Public PAIR (Application Status)

USPTO Assignment searching

USPTO Maintenance Fee (via Michael Dittenbach and Max-Recall)

EPO Patent Search Site (Espacenet)

EPO Cooperative Patent Classification Schedule (CPC Schedule)

WIPO Patentscope Patent Search Interface

WIPO International Patent Classification Schedule (IPC Schedule)

Japanese Patent Office (Japanese to English Machine Translations)

Locarno International Designs (Via the GB Office)

PIUG Home Page (Patent Information User Group)
DeMarcoIP was officially formed on January 1, 2007 and the team members of DeMarcoIP bring with them decades of experience working with patents and performing patent searches for clients worldwide.