Registered patent attorney
Ching Cheng Chang
Firm
ArentFox Schiff LLP
Address
1717 K Street NW
Washington, DC, 20006
US
Phone
Registered as
Registered patent attorney
Other attorneys at ArentFox Schiff LLP
- Taniel E. AndersonUSPTO Reg. 64431 · Washington, DC
- Sarah Elizabeth BoldtUSPTO Reg. 82226 · Washington, DC
- Janine A CarlanUSPTO Reg. 42387 · Washington, DC
- Daniel W ClarkeUSPTO Reg. 63993 · Boston, MA
- Anthony Mitchell FerrisUSPTO Reg. 77060 · Washington, DC
- Marlo Schepper GrolnicUSPTO Reg. 57194 · Boston, MA
- Simon F KungUSPTO Reg. 68241 · San Francisco, CA
- Johnny MaUSPTO Reg. 59976 · Washington, DC
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 Ching Cheng Chang
Is Ching Cheng Chang a registered patent attorney?
Yes. Ching Cheng Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 73240). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Ching Cheng Chang located?
Ching Cheng Chang's office is in Washington, District of Columbia (20006). Affiliated with ArentFox Schiff LLP.
What firm does Ching Cheng Chang work at?
Ching Cheng Chang is listed as affiliated with ArentFox Schiff LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Ching Cheng Chang?
Ching Cheng Chang's office phone (per the USPTO public roster) is 202-857-6000. 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.