In addition to patent and utility model application and
registration in various fields, we provide services
optimized for the latest technology trends
including AI, ICT, and big data.
Trademarks and Designs
Registering trademarks and designs are increasingly important aspects in the development of a business. In addition to providing professional and useful advice throughout the registration process, we also offer outstanding solutions for resolving trademark and design disputes.
Licensing
Our patent attorneys who also possess a number of qualification in related fields such as technology transfer and credit rating provide services to our clients that they can utilize their IP rights to the fullest extent possible.
Litigation
Intellectual property rights are secured through
long-term practical experience and cooperation
with related organizations. We do our utmost for our
clients not only in acquiring intellectual property
rights but in protecting them as well.
Y.S. Chang & Associates Track Record
Est.
1965
Over half a century of knowhow
Over 4000 patents
trademarks applied for per year
Over 30 Countries
We have a network of close relations with top patent attornies in over 30 countries.
2,000 Companies
We have established relationships with over 2000 companies
90% Success Rate
We have a record of successfully registering over 90% of our clients' patents.
Over 50 Professionals
Our team consists of more than 50 professionals specializing in a wide range of practice areas.
Trends in IP
Notice on the revision of.. 2025-04-09
Notice on the Amendment t.. 2025-04-07
Trademark Protection: An .. 2025-03-12
More Efficient and Faster.. 2025-02-07
Opposition Period Shorten.. 2025-02-07
DID YOU KNOW?: Korea offe.. 2025-01-14
Successful defence of Han.. 2025-01-09
Change to format of appli.. 2024-12-02
Seven Chair by Fritz Hans.. 2024-09-26
Trademark Coexistence Int.. 2024-04-11
Announcements
Y.S. Chang & Associates is Moving 2024-04-11
Legal Disclaimer
This website has been created for the purpose of introducing and providing general information about this corporation and is not intended to provide legal advice or interpretation.
This corporation does not bear any legal, factual, or moral liability for any damage due to legal/factual actions based on information obtained from this website. Before taking any action based on the information provided on this website, please be sure to seek legal advice from our firm.