Registered patent agent
Kathleen M Helm-Bychowski
Firm
Leydig, Voit & Mayer, Ltd.
Address
Two Presidentual Plaza, Suite 4900
180 North Stetson Avenue
Chicago, IL, 60601-6731
US
Phone
Registered as
Registered patent agent
Other attorneys at Leydig, Voit & Mayer, Ltd.
- Stephen B BaroneUSPTO Reg. 53968 · Boulder, CO
- Michael J BrandtUSPTO Reg. 71424 · Chicago, IL
- Michael J BurleighUSPTO Reg. 70065 · Boulder, CO
- Gary B ChapmanUSPTO Reg. 51279 · Boulder, CO
- Brent A ChathamUSPTO Reg. 73954 · Chicago, IL
- Pei ChenUSPTO Reg. 73692 · Chicago, IL
- Boris D. ChernomordikUSPTO Reg. 78112 · Boulder, CO
- Rebecca S DiseUSPTO Reg. 65111 · Chicago, IL
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 Kathleen M Helm-Bychowski
Is Kathleen M Helm-Bychowski a registered patent attorney?
Kathleen M Helm-Bychowski is a registered patent agent (USPTO Registration Number 53011). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Kathleen M Helm-Bychowski located?
Kathleen M Helm-Bychowski's office is in Chicago, Illinois (60601-6731). Affiliated with Leydig, Voit & Mayer, Ltd..
What firm does Kathleen M Helm-Bychowski work at?
Kathleen M Helm-Bychowski is listed as affiliated with Leydig, Voit & Mayer, Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Kathleen M Helm-Bychowski?
Kathleen M Helm-Bychowski's office phone (per the USPTO public roster) is 312-616-5600. 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.