Our philosophy
We will actively engage with our clients and become a proactive partner of choice for our clients. In addition to providing services during prosecution of your intellectual property rights, we aim to accurately identify our clients’ needs, whether actual or potential, and provide unique solutions that best suit your case.

Our people
Our team is a passionate group of professionals dedicated to helping our clients safeguard their intellectual property. This is how we can provide one-stop services for you. Our experienced professionals provide comprehensive intellectual property services which best suit our clients’ needs.
Practice areas


Patents, utility models
We develop and protect your innovations in a wide spectrum of technologies including mechatronics, electronics, communications, chemistry, and biology.


Trademarks, designs
Our practitioners guide our clients in building and protecting their brands and designs. Design protection covers images, architectures, and interiors.


Intellectual property searches, other services
We also offer a variety of services including intellectual property searches and litigation support.


About us
Since the inception of our firm in 1977, we have earned our clients’ trust through steady efforts of each practitioner and have grown into a firm with over 30 patent attorneys. In 2012, we were incorporated to ensure business continuity. In 2022, following the revision of the Patent Attorney Act, the firm’s name has been changed to Patent Attorney Corporation MAEDA & PARTNERS.