We are Versatile Lawyers.
We use legal strategy to help you achieve business goals
What we are EXPERIENCED IN

Our Practices

Business Litigation
We represent public and private companies from China and Silicon Valley innovative startups and its key founders and officers in litigations.
Corporate Immigration
We handle a large variety of employment based visa and green card applications.
Corporate Law
We handle merger and acquisitions matters, as well as venture financial projects.
Selected Criminal Defense
White collar defense on behalf of corporate officers and key China individuals.
Intellectual Property
We manage U.S. and international patent and trademark portfolio for domestic and international company.
US-China Matters
We assist public and large privately-held companies in China to set up their U.S. operations.
A can-do team

Our Attorneys

Andy Liu
Attorney
Jingyi Guo
Attorney
Tina Jin
Attorney
Rishi Kumar
Patent
Yu Liu
Immigration Law
Our Experience

Representative Matters

Litigation matters

• Selected state and federal criminal defense; defended clients in California and federal courts against domestic violence, embezzlement, DUI, and child endangerment charges, and defended clients in federal court against money laundering and false passport charges.

• Prosecuted, to favorable settlement, civil rights claims on behalf of citizens against police departments and municipalities for government overreach.

• Prosecuted, to favorable settlement, civil rights claims on behalf of citizens against police departments and municipalities for government overreach.

• Representing citizens against Pleasant Hill Police in federal and state courts for unlawful seizure of $10m cryptocurrency.

• Represent clients in commercial and IP disputes in California state courts and federal courts in California, Nevada, New York, Illinois, Louisiana, Florida, and Minnesota.

• Prosecuted 10+ appeals before California’s First, Second, and Sixth appellate districts.

• Prosecuted and defended 20+ civil restraining order cases before California superior courts and appeal courts.

• Defend defamation cases against Chinese entrepreneurs in a multi-county litigation.

• Defended numerous school expulsion hearings for international students at Purdue University and the University of California campus. Assisted defense of a faculty member against sexual assault claims under Title IV.

• Legal counsel for the #1 news distribution smartphone app in IP infringement defense, patent and trademark filings, and commercial disputes.

• Represent a startup founder in a shareholder derivative and direct suit brought by alleged co-founders after a successful acquisition of the startup by a public company; case settled favorably after proceedings in state courts and bankruptcy court.

• Legal counsel for numerous China public companies’ US subsidiaries in their U.S. operations.

 

General legal matters

• Legal counsel for numerous China public companies’ US subsidiary in all issues surrounding their U.S. operations.

Legal counsel for a China-based consumer drone company's Silicon Valley office; handle contract disputes, employment disputes, site visits by Immigration, visa for high-level executives and family members.
• Legal counsel for a Silicon Valley-based security robot private company; handle contract review and negotiation, immigration petitions, and IP protection issues.
• Legal counsel for a Silicon Valley-based computer chip design private company; handle investor relation, immigration petitions, and IP protection issues.
• Legal counsel for one of the largest Silicon Valley-based blockchain communities (1000+ active members) for engineers, researchers, and enthusiasts.

• Assisted blockchain companies in Security Token Offerings (STOs) under Regulations S and D.

• Assisted in China-based companies in their NASDAQ and NYSE listings and SEC disclosure flings (8-K and 10-Q).

IP transaction matters

• IP (e.g., patent, trademark, and copyright portfolio) management for numerous technologies companies in Silicon Valley area.

• Domestic and international patent, utility model, trademark filings and prosecutions in such jurisdictions as U.S., China, Taiwan, Japan, South Korea, Australia, Vietnam, India, Canada, and Europe.

• Patent protection on product design through Hague Convention and direct foreign flings.

• Brand protection through Madrid Protocol and direct foreign flings.

• Trademark oppositions: both offensive and defensive.

Let's Work Together

Contact Us

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OUR OFFICE
1660 South Amphlett Blvd., Suite 315 San Mateo, CA 94402
CONTACT
Contact@aptumlaw.us
650-475-6289