Registered patent attorney
John K Hsu
Firm
Schiff Hardin LLP
Address
901 K Street, NW
Suite 700
Washington, DC, 20001
US
Phone
Registered as
Registered patent attorney
Other attorneys at Schiff Hardin LLP
- Imron T AlyUSPTO Reg. 48706 · Chicago, IL
- Christopher Ladd BollingerUSPTO Reg. 41626 · Chicago, IL
- Jason G HarpUSPTO Reg. 42634 · Chicago, IL
- Trevor B JoikeUSPTO Reg. 25542 · Chicago, IL
- Steven H NollUSPTO Reg. 28982 · Chicago, IL
- Sailesh K PatelUSPTO Reg. 46982 · Chicago, IL
- Thomas A RammerUSPTO Reg. 62591 · Chicago, IL
- Melvin Alan RobinsonUSPTO Reg. 31870 · Chicago, IL
Other patent attorneys in Washington, District of Columbia
- Alisa S AbbottBanner Witcoff
- Ahmed Abdel-RahmanPillsbury Winthrop Shaw Pittman LLP
- Margaret A AbernathyBaker & Hostetler LLP
- Michael T. AbramsonJordan IP Law
- Khadija Abdulkadir AbuHoward University School of Law
- Deepa AcharyaQuinn Emanuel UrQuhart & Sullivan LLP
- Canek AcostaMayer Brown LLP
- Stephanie N. AdamakosPaul Hastings LLP
Frequently asked
Frequently asked about John K Hsu
Is John K Hsu a registered patent attorney?
Yes. John K Hsu is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 45563). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John K Hsu located?
John K Hsu's office is in Washington, District of Columbia (20001). Affiliated with Schiff Hardin LLP.
What firm does John K Hsu work at?
John K Hsu is listed as affiliated with Schiff Hardin LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John K Hsu?
John K Hsu's office phone (per the USPTO public roster) is 202-778-6467. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.