Company lists · Data refreshed November 2026

Top 25 Patent document preparation services based in the United States

RevenueBase identified 237 company matches for patent document preparation services associated with the United States as of November 2026 and tracks 1,008 professional contacts across them, including 515 with verified work emails. San Francisco is the largest hub.

This list covers company matches for patent document preparation services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
237Companies
1,008Contacts tracked
515Verified emails
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The 25 largest patent document preparation services based in the United States

Ranked by team size
Top 25 of 237 company matches for patent document preparation services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Harrity & Harrity is a leading patent preparation and prosecution firm specializing in the electrical and mechanical technology areas, and is considered a Go-To Firm for the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCoral Springs, TX, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“For over 20 years, The Patent Professor®, a national AV-rated intellectual property law firm, has specialized in patent prosecution matters, opinion work, and securing brand…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPikesville, MD, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“We have over 25 patent illustrators, a docketing department, and quality control department all under one roof, here in Baltimore, Maryland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMclean, VA, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Studebaker Brackett PC is committed to daily success through a collaborative team effort: each person is required to take full stewardship of their work product and knows that…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“We provide highest-quality patent legal services with the agility and flexibility to sustainably meet our clients' patent needs into the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchClearwater, FL, United StatesHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Virtue Legal Services, based in Clearwater, FL, provides trusted legal and intellectual property (IP) services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Schox Patent Group developed the patent strategy and wrote the patents for some of the most iconic startups in the last decade, including Coinbase, Cruise, Duo, Joby, and Twilio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“At Ensemble IP, we deliver actionable patent search reports that empower our clients to provide informed legal advice and help companies make smarter patent decisions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGermantown, MD, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Thoughts to Paper specializes in patent and trademark application and prosecution for individual and small business inventors and entrepreneurs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“Leber IP Law is an intellectual property firm offering domestic and international clients a wide range of patent-related services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchReston, VA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Virtual Paralegal Gateway (VPG) is a minority-owned virtual paralegal consultancy focusing on Patent Trial and Appeal Board (PTAB) proceedings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Marcos, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“A boutique law firm focused on patent application preparation and prosecution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew Canaan, CT, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Our firm, founded in is exclusively devoted to providing patent-related services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchEagle, ID, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Colby Nipper serves the Fortune 500 with only the highest-quality patent preparation and prosecution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Patent Drafting Service - We prepare Patent Drawings, Trademark Drawings and Litigation Graphics for Inventors, Attorneys and Corporations - a fullyequipped computer aided…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFlower Mound, TX, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“You’re an expert in your field.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“SCLC is a boutique, full-service, intellectual property law firm located near Washington, DC in Herndon, Virginia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCampbell, CA, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Paradice and Li, LLP is an intellectual property law firm that specializes in drafting and prosecuting patent applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAllen, TX, United StatesHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Proactive Patents pairs seasoned patent attorneys with Proactive AI, a secure system we built ourselves.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAlexandria, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Litman Law provides intellectual property representation to universities, businesses, and innovative people from around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“We handle all aspects of patent preparation and prosecution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Akona IP was founded in 2022 by a group of nine patent practitioners with the goal of bringing high-quality service to our clients while promoting diversity, inclusion, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20261-109 contacts →

Exact match

“The Hsuanyeh Law Group (“HLG”) was founded by inventor-entrepreneur Hsuanyeh Chang, with a doctorate in theoretical physics and extensive experience in patent preparation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“NKL Law focuses on patent and trademark prosecution, client counseling, and contested proceedings before the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 237 patent document preparation services based in the United States

See the full list, filter by size, metro and specialty, and access 515 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Patent document preparation services based in the United States at a glance

As of Nov 6, 2026
51.1%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
3.0%Largest-city concentration · San Francisco
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
174
11-50
54
51-200
7
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 237 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “patent document preparation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 515 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “patent document preparation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many patent document preparation services are there based in the United States?

RevenueBase identified 237 company matches for patent document preparation services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Harrity & Harrity, LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most patent document preparation services?

San Francisco leads with 7 company records, followed by Alexandria (6) and New York (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 515 professional contacts with verified work emails tracked across these 237 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 237 patent document preparation services based in the United States. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.