#1John P Dilger (Fisher Controls International LLC)
Based in Marshalltown, IA
Patent Attorneys & Agents in Marshall County, IA
The top-ranked patent attorneys and agents serving Marshall County, IA are John P Dilger (Fisher Controls International LLC), Patricia A Charlier and Allan P Orsund. We list 12 patent attorneys and agents serving Marshall County, IA. 12 of the providers shown match an active record from U.S. Patent and Trademark Office, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Patent Attorneys & Agents serving Marshall County, IA. 12 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked patent attorneys and agents for Marshall County
#2Patricia A Charlier
Based in Marshalltown, IA#3Allan P Orsund
Serves this area from Newton, IA (23 mi)#4Bradley J Graham (Grinnel College)
Serves this area from Grinnell, IA (25 mi)#5Barbara J Clark
Serves this area from Ames, IA (31 mi)#6Chad A. Johnson (REG Inc.)
Serves this area from Ames, IA (31 mi)#7Daniel W Nielsen
Serves this area from Ames, IA (31 mi)#8Emily E Harris (MTI Biotech, Inc.)
Serves this area from Ames, IA (31 mi)#9Michael Christopher Maier (Renewable Energy Group Inc.)
Serves this area from Ames, IA (31 mi)#10Dana Sue Rewoldt
Serves this area from Huxley, IA (34 mi)
2 more providers serving this area
- Dane P. Miner, IA
- David V Appy, IA
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Frequently asked questions
How many patent attorneys and agents serve Marshall County?
We list 12 patent attorneys and agents serving Marshall County, IA: 2 based there and 10 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which patent attorneys and agents serve Marshall County?
The top-ranked patent attorneys and agents serving Marshall County, IA are John P Dilger (Fisher Controls International LLC), Patricia A Charlier, Allan P Orsund, Bradley J Graham (Grinnel College) and Barbara J Clark. The full ranked list, with the official records each provider matched, is on this page.
Which patent attorneys and agents serving Marshall County are verified against official records?
10 of the top 10 match an active official record: John P Dilger (Fisher Controls International LLC) (U.S. Patent and Trademark Office), Patricia A Charlier (U.S. Patent and Trademark Office), Allan P Orsund (U.S. Patent and Trademark Office), Bradley J Graham (Grinnel College) (U.S. Patent and Trademark Office) and Barbara J Clark (U.S. Patent and Trademark Office), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a patent attorney and a patent agent?
Both are registered with the USPTO to prepare and prosecute patent applications. Patent attorneys are also licensed lawyers and can handle litigation and other legal matters; agents cannot.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Communities served
Marshalltown, State Center, Le Grand, Melbourne, Gilman, Albion, Liscomb, Rhodes, Laurel, Haverhill, Clemons, Green Mountain, Ferguson, St. Anthony