Limited recognition

Shuang Liu

USPTO Reg. L1405

Firm

Marshall, Gerstein & Borun LLP

Address

233 S Wacker Dr

6300

Chicago, IL, 60606

US

Phone

Registered as

Limited recognition

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Frequently asked

Frequently asked about Shuang Liu

  • Is Shuang Liu a registered patent attorney?

    Shuang Liu is registered with the United States Patent and Trademark Office under Registration Number L1405 as a USPTO-registered practitioner.

  • Where is Shuang Liu located?

    Shuang Liu's office is in Chicago, Illinois (60606). Affiliated with Marshall, Gerstein & Borun LLP.

  • What firm does Shuang Liu work at?

    Shuang Liu is listed as affiliated with Marshall, Gerstein & Borun LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Shuang Liu?

    Shuang Liu's office phone (per the USPTO public roster) is 312-423-3457. 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.

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