Registered patent attorney

Marcus W Hammack

USPTO Reg. 57171

Firm

Patterson & Sheridan, LLP

Address

24 Greenway Plaza

Suite 1600

Houston, TX, 77046

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Marcus W Hammack

  • Is Marcus W Hammack a registered patent attorney?

    Yes. Marcus W Hammack is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 57171). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Marcus W Hammack located?

    Marcus W Hammack's office is in Houston, Texas (77046). Affiliated with Patterson & Sheridan, LLP.

  • What firm does Marcus W Hammack work at?

    Marcus W Hammack is listed as affiliated with Patterson & Sheridan, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Marcus W Hammack?

    Marcus W Hammack's office phone (per the USPTO public roster) is 713-623-4844. 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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