Utility patent drafting
Non-provisional U.S. utility applications for software, electronics, mechanical systems, medical devices, and product platforms.
Explore utility patentsPatent-first U.S. IP Counsel
Flat-fee U.S. patent drafting and filing for serious innovators.
U.S. patent practitioner-led applications, Office Action responses, PCT national phase entry, and cross-border filing support for startups, SMBs, and overseas companies entering the U.S. market.
Core Patent Paths
Patent services organized by filing decision, not legal jargon.
Choose the service path that matches your invention stage, filing deadline, and U.S. prosecution needs.
Provisional applications
Priority-date filings for founders and product teams that need a practical 12-month bridge before full examination.
Explore provisional filingsDesign patents
U.S. protection for product appearance, industrial design, ecommerce products, and consumer-brand visual assets.
Explore design patentsOffice Action response
Scoped prosecution support for Section 101, 102, 103, 112, final rejection, restriction, and amendment strategy.
Explore OA responsesPCT U.S. national phase
U.S. national stage entry, deadline review, official-fee planning, forms, and prosecution handoff.
Explore PCT entryForeign-to-U.S. filing
Bilingual filing coordination for overseas applicants, foreign associates, and companies launching in the United States.
Explore cross-border filingWhy Patent Clients Choose ZYL
U.S. patent counsel with defined scope and technical depth.
ZYL combines practitioner-led patent strategy, clear engagement scope, and bilingual coordination for clients protecting technology in the United States.
Practitioner-led
Patent claim strategy remains guided by U.S. patent practitioners, with careful review of claim scope, support, and prosecution posture.
Efficient workflow
Structured intake, document review, and formal checks help keep patent work focused and budget-conscious.
Bilingual
Chinese-English coordination helps overseas applicants avoid translation, IDS, and U.S. procedure mistakes.
Flat-fee oriented
Professional fees are scoped up front where possible, with USPTO official fees treated separately.
Trademark and IP Proceedings
Protect the technology and the brand around it.
For many companies, a strong U.S. IP plan includes both patent protection for innovation and trademark protection for names, logos, and market identity.
U.S. trademark applications
Clearance, filing, Office Action responses, renewals, and portfolio support for brands entering or operating in the United States.
View trademark servicesAppeals and contested proceedings
Support for PTAB and TTAB matters when prosecution, portfolio strategy, or brand conflicts require a more formal dispute path.
View TTAB guidePatent FAQ
Answer the questions that determine whether visitors book a call.
Pricing, route, and cross-border fit should be answered before the visitor has to contact the firm.
What is the right first patent step?
It depends on invention maturity, launch timing, budget, and whether the applicant needs a provisional, non-provisional, design filing, PCT entry, or prosecution response.
How predictable are patent costs?
Professional fees can often be fixed or scoped. USPTO official fees vary by entity status, claims, pages, and procedural events.
Can ZYL support Chinese companies?
Yes. ZYL provides Chinese-English communication for U.S. filing route review, translation issue spotting, and prosecution coordination.
How do I choose the right service?
Start with the filing route that matches your situation: provisional, utility, design, PCT national phase, Office Action response, or cross-border U.S. filing.
Start with a patent fit call.
Get the filing route, expected scope, and budget range clear before you commit to a full patent project.