Registered patent agent
Sydney G Duncan
Firm
K&L Gates LLP
Address
70 W. Madison Street
Suite 3100
Chicago, IL, 60602
US
Phone
Registered as
Registered patent agent
Other attorneys at K&L Gates LLP
- Lannah S. AbasiUSPTO Reg. 84059 · Irvine, CA
- Hasan AlmashatUSPTO Reg. 79166 · Palo Alto, CA
- Joshua N AndrewsUSPTO Reg. 79215 · Boston, MA, MA
- Robert M BarrettUSPTO Reg. 30142 · Chicago, IL
- Alan L BarryUSPTO Reg. 30819 · Chicago, IL
- Robert J. BarzUSPTO Reg. 74363 · Chicago, IL
- Thomas C BassoUSPTO Reg. 46541 · Chicago, IL
- Michelle G BergmanUSPTO Reg. 54124 · Irvine, CA
Other patent attorneys in Chicago, Illinois
- Lawrence H AaronsonMcDonnell Boehnen Hulbert & Berghoff LLP
- Dennis J AbdelnourHonigman LLP
- Holby Matthew AbernNeal, Gerber & Eisenberg LLP
- Cassandra L. AbernathyUSPTO Reg. 75330
- John AbramicSteptoe & Johnson LLP
- David Brian AbramowitzLocke Lord LLP
- Hugh A AbramsShook, Hardy & Bacon LLP
- Matthias AbrellMarshall Gerstein & Borun, LLP
Frequently asked
Frequently asked about Sydney G Duncan
Is Sydney G Duncan a registered patent attorney?
Sydney G Duncan is a registered patent agent (USPTO Registration Number 82710). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Sydney G Duncan located?
Sydney G Duncan's office is in Chicago, Illinois (60602). Affiliated with K&L Gates LLP.
What firm does Sydney G Duncan work at?
Sydney G Duncan is listed as affiliated with K&L Gates LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sydney G Duncan?
Sydney G Duncan's office phone (per the USPTO public roster) is 205-344-3315. 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.