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Donald J. Ersler, S.C.Intellectual property lawyer in Brookfield, WI

Donald J. Ersler, S.C. is an intellectual property lawyer in Brookfield, WI, ranked #2 of 8 intellectual property lawyers in Brookfield and rated 5.0 from 8 Google reviews. Open Monday to Saturday.

Facts on this profile come from public sources and from the firm. This is not legal advice, and contacting the firm does not make it your lawyer. Check the lawyer’s standing with the state bar or law society before you hire.

Brookfield, WIUpdated 0 paid placements in any rankingHow we rank

Call (262) 785-0160Website ↗

Key facts

Key facts about Donald J. Ersler, S.C.
Phone(262) 785-0160
Websiteitspatentable.com
HoursMonday to Friday: 8 AM – 5 PM; Saturday: 8 AM – 12 PM
Google rating5.0 from 8 Google reviews

Practice areas

Each practice area shows the evidence we matched it on.

Service area

Serves Brookfield and 12 towns within 50 miles: Cudahy, Milwaukee, Shorewood, South Milwaukee, Whitefish Bay, Oak Creek, Glendale, West Allis, Wauwatosa, Greendale, Greenfield and Brown Deer.

Based in Brookfield, WIView on map

Opening hours

Opening hours for Donald J. Ersler, S.C.
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
Saturday8 AM – 12 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Questions about Donald J. Ersler, S.C.

How is Donald J. Ersler, S.C. ranked in Brookfield?

Donald J. Ersler, S.C. is ranked #2 of 8 intellectual property lawyers in Brookfield by LFR Score, with 67 out of 100 as of November 2026. The score weighs reputation, bar status, review volume, recency, availability, practice focus, proximity, claimed profile and law firms ranked reviews. No business can pay to change its rank.

What are Donald J. Ersler, S.C.’s hours?

Donald J. Ersler, S.C. is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 5 PM; Saturday, 8 AM – 12 PM. On Saturdays it is open 8 AM to 12 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Donald J. Ersler, S.C. serve?

Serves Brookfield and 12 towns within 50 miles: Cudahy, Milwaukee, Shorewood, South Milwaukee, Whitefish Bay, Oak Creek, Glendale, West Allis, Wauwatosa, Greendale, Greenfield and Brown Deer. The list is based on the business's location and the usual service radius for intellectual property law. Confirm your address is covered when you call.

What do Google reviews say about Donald J. Ersler, S.C.?

Donald J. Ersler, S.C. has a rating of 5.0 from 8 Google reviews. The LFR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Donald J. Ersler, S.C.?

Call Donald J. Ersler, S.C. on (262) 785-0160. Its website is linked in the key facts on this page. Ask how the firm charges before the first meeting, and keep confidential details for after its conflict check.

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Claiming is free. Correct your hours, practice areas and service area. The LFR Score is recalculated from corrected data; payment never changes it.

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Compare nearby intellectual property lawyers

Donald J. Ersler, S.C. compared with nearby businesses
BusinessRankLFR ScoreGoogle ratingSaturdaySundayDistance away
Donald J. Ersler, S.C. (this business)—675.0 (8)YesNo
James Lowe Law#1705.0 (23)YesNo20.3 mi
Andrus Intellectual Property Law, LLP#3614.0 (4)NoNo11.3 mi
Boyle Fredrickson SC#4602.5 (4)NoNo11.5 mi

See all 8 ranked intellectual property lawyers in Brookfield