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Intellectual Property Lawyers in Sierra Madre, CA: 2026 rankings

85 intellectual property lawyers ranked by LFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Highest LFR Score in Sierra Madre: Omni Legal Group - Patent, Trademark, And Business Law, LFR Score 71/100; 5.0★ from 189 Google reviews; open 24/7.

  2. 2

    Open 24 hours (per Google): Partners Law Inc., posts 24/7 hours; ranked #2 of 85.

  3. 7

    Most-reviewed: OC Patent Lawyer, 154 Google reviews at 4.9★, the most of 85 ranked after Omni Legal Group - Patent, Trademark, And Business Law; ranked #7.

Rankings can't be bought. Lawyers can't pay to change their rank or score. How we rank

85 Sierra Madre intellectual property lawyers are ranked here by LFR Score, from nine published factors. 6 are open 24/7, 13 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 85 rated law firms.

Most of this list also appears on the Intellectual property lawyers in Long Beach ranking. See Intellectual property lawyers in Long Beach

Top 10 intellectual property lawyers in Sierra Madre at a glance

Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.

Top 10 intellectual property lawyers in Sierra Madre at a glance
RankBusinessLFR ScoreGoogle ratingBased inHoursNotable for
1Omni Legal Group - Patent, Trademark, And Business Law715.0★ (189)Los Angeles, 22 mi awayOpen 24 hrs (Google)Top score
2Partners Law Inc.665.0★ (33)Santa Monica, 27 mi awayOpen 24 hrs (Google)Open 24 hours
3Trojan Law Offices, P.C.664.9★ (83)Beverly Hills, 21 mi awaySat · Evenings—
4Cohen IP Law Group, P.C.644.9★ (105)Beverly Hills, 20 mi away——
5The Kinder Law Group, APC644.9★ (46)Irvine, 36 mi awaySat · Sun · Evenings—
6Law Offices of Pujie Zheng645.0★ (27)Arcadia, 2 mi away——
7OC Patent Lawyer634.9★ (154)Irvine, 35 mi away—Most reviews
8Ascent Horizon635.0★ (12)Irvine, 36 mi awayOpen 24 hrs (Google)—
9Innovation Capital Law Group614.9★ (71)Irvine, 37 mi away——
10Modern Method Patents615.0★ (27)Anaheim, 24 mi away——

All 85 intellectual property lawyers in Sierra Madre, in rank order

Ordered by LFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.

Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.

  1. Ranked #1 in Sierra Madre

    Based in Los Angeles, 22 mi away

    71/100LFR Score

    Ranked #1 because of its Google rating and practice area focus: 5.0★ from 189 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 189 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2029 Century Pk E Ste 400, Los Angeles, CA 90067
    View profile for Omni Legal Group - Patent, Trademark, And Business Law(310) 860-2000

  2. #2 Partners Law Inc.

    Based in Santa Monica, 27 mi away

    66/100LFR Score

    Ranked #2 because of its Google rating and practice area focus: 5.0★ from 33 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 33 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1217 Wilshire Blvd #3176, Santa Monica, CA 90403
    View profile for Partners Law Inc.(310) 400-6291

  3. #3 Trojan Law Offices, P.C.

    Based in Beverly Hills, 21 mi away

    66/100LFR Score

    Ranked #3 because of its Google rating and practice area focus: 4.9★ from 83 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.9★ from 83 Google reviews
    Hours
    Mon–Fri 7 AM–8 PM · Sat 9 AM–5 PM · Sun closed
    Address
    9250 Wilshire Blvd Suite 325, Beverly Hills, CA 90212
    View profile for Trojan Law Offices, P.C.(310) 777-8399

  4. #4 Cohen IP Law Group, P.C.

    Based in Beverly Hills, 20 mi away

    64/100LFR Score

    Ranked #4 because of its Google rating and practice area focus: 4.9★ from 105 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.9★ from 105 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    9025 Wilshire Blvd Ste 301, Beverly Hills, CA 90211
    View profile for Cohen IP Law Group, P.C.(310) 288-4500

  5. #5 The Kinder Law Group, APC

    Based in Irvine, 36 mi away

    64/100LFR Score

    Ranked #5 because of its Google rating and practice area focus: 4.9★ from 46 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.9★ from 46 Google reviews
    Hours
    Mon–Sun 7 AM–8 PM
    Address
    19200 Von Karman Ave Fourth Floor, Irvine, CA 92612
    View profile for The Kinder Law Group, APC(949) 835-5961

  6. #6 Law Offices of Pujie Zheng

    Based in Arcadia, 2 mi away

    64/100LFR Score

    Ranked #6 because of its Google rating and practice area focus: 5.0★ from 27 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Fri 9 AM–5:30 PM · Sat–Sun closed
    Address
    150 N Santa Anita Ave #300, Arcadia, CA 91006
    View profile for Law Offices of Pujie Zheng(626) 279-7200

  7. #7 OC Patent Lawyer

    Based in Irvine, 35 mi away

    63/100LFR Score

    Ranked #7 because of its Google rating and practice area focus: 4.9★ from 154 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.9★ from 154 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    2372 Morse Ave #178, Irvine, CA 92614
    View profile for OC Patent Lawyer(949) 433-0900

  8. #8 Ascent Horizon

    Based in Irvine, 36 mi away

    63/100LFR Score

    Ranked #8 because of its Google rating and practice area focus: 5.0★ from 12 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    17595 Harvard Ave Ste C-10066, Irvine, CA 92614
    View profile for Ascent Horizon(949) 704-4107

  9. #9 Innovation Capital Law Group

    Based in Irvine, 37 mi away

    61/100LFR Score

    Ranked #9 because of its Google rating and practice area focus: 4.9★ from 71 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.9★ from 71 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    19900 MacArthur Blvd Ste 610, Irvine, CA 92612
    View profile for Innovation Capital Law Group(949) 954-5430

  10. #10 Modern Method Patents

    Based in Anaheim, 24 mi away

    61/100LFR Score

    Ranked #10 because of its Google rating and practice area focus: 5.0★ from 27 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1190 N Kraemer Blvd, Anaheim, CA 92806
    View profile for Modern Method Patents(714) 905-9187

  11. #11 Innovent Law

    Based in Aliso Viejo, 44 mi away

    61/100LFR Score

    Ranked #11 because of its Google rating and practice area focus: 5.0★ from 69 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 69 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    33 Brookline, Aliso Viejo, CA 92656
    View profile for Innovent Law(949) 429-0212

  12. #12 CIONCA IP

    Based in Irvine, 35 mi away

    61/100LFR Score

    Ranked #12 because of its Google rating and practice area focus: 5.0★ from 42 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    2030 Main St #1300, Irvine, CA 92614
    View profile for CIONCA IP(949) 334-3036

  13. #13 Diament Patent Law

    Based in Encino, 25 mi away

    60/100LFR Score

    Ranked #13 because of its Google rating and practice area focus: 5.0★ from 23 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 23 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    16501 Ventura Blvd Suite 400, Encino, CA 91436
    View profile for Diament Patent Law(424) 281-0162

  14. #14 Risso I.P.

    Based in El Segundo, 26 mi away

    60/100LFR Score

    Ranked #14 because of its Google rating and practice area focus: 5.0★ from 23 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 23 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1730 E Holly Ave #826, El Segundo, CA 90245
    View profile for Risso I.P.(310) 266-5663

  15. #15 Rhema Law Group

    Based in Irvine, 36 mi away

    60/100LFR Score

    Ranked #15 because of its Google rating and practice area focus: 4.9★ from 35 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.9★ from 35 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    1 Park Plaza 6th Floor, Irvine, CA 92614
    View profile for Rhema Law Group(949) 852-4430

  16. #16 Garvey Adam LLP

    Based in Irvine, 37 mi away

    60/100LFR Score

    Ranked #16 because of its Google rating and practice area focus: 4.8★ from 37 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.8★ from 37 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    19800 MacArthur Blvd Ste 1070, Irvine, CA 92612
    View profile for Garvey Adam LLP(714) 924-4377

  17. #17 Shimokaji IP

    Based in Irvine, 40 mi away

    60/100LFR Score

    Ranked #17 because of its Google rating and practice area focus: 4.9★ from 41 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.9★ from 41 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    8911 Research Dr, Irvine, CA 92618
    View profile for Shimokaji IP(949) 788-9988

  18. #18 Makoui Law

    Based in Encino, 25 mi away

    60/100LFR Score

    Ranked #18 because of its Google rating and practice area focus: 5.0★ from 5 Google reviews, listed on Google as “Patent attorney”.

    Based on 6 of 9 factors; bar status, recency and availability not yet collected.

    • 5.0★ from 5 Google reviews
    Address
    16501 Ventura Blvd Suite 400, Encino, CA 91436
    View profile for Makoui Law(818) 261-5998

  19. #19 Mahesh Law Group

    Based in Irvine, 39 mi away

    60/100LFR Score

    Ranked #19 because of its Google rating and practice area focus: 5.0★ from 3 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7700 Irvine Center Dr #800, Irvine, CA 92618
    View profile for Mahesh Law Group(530) 400-9246

  20. #20 Jafari Law Group

    Based in Irvine, 35 mi away

    60/100LFR Score

    Ranked #20 because of its Google rating and practice area focus: 4.5★ from 57 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.5★ from 57 Google reviews
    Hours
    Mon–Tue 8:30 AM–5:30 PM · Wed closed · Thu–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    2020 Main St #350, Irvine, CA 92614
    View profile for Jafari Law Group(949) 776-7256

  23. #23 Bold Patents Law Firm

    Based in North Hollywood, 18 mi away

    59/100LFR Score

    Ranked #23 because of its Google rating and practice area focus: 5.0★ from 10 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    5250 Lankershim Blvd #500, North Hollywood, CA 91601
    View profile for Bold Patents Law Firm(800) 849-1913

  24. #24 Karich & Associates

    Based in Huntington Beach, 35 mi away

    59/100LFR Score

    Ranked #24 because of its Google rating and practice area focus: 4.6★ from 38 Google reviews, listed on Google as “Patent attorney”.

    Based on 7 of 9 factors; bar status and recency not yet collected.

    • 4.6★ from 38 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    221 Main St # G, Huntington Beach, CA 92648
    View profile for Karich & Associates(800) 949-0255

How we ranked Sierra Madre intellectual property lawyers

We scored 85 Sierra Madre intellectual property lawyers on nine factors, weighted as shown. A law firm is ranked when its practice area is confirmed and it has 3 or more Google reviews or a claimed profile. A law firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.

Paid placement never changes a rank or score. Attorney advertising businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

LFR Score factors and weights
FactorWeightComputed fromIn Sierra Madre data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Bar status10%An active bar or law society record matched to a lawyer at the firm (not measured until a record source is loaded)Not yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed firm on the listMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly office hours, Saturday, Sunday, and phones answered 24/7Measured
Practice focus15%How clearly the firm practises this area (its Google category and name)Measured
Proximity5%An office in the city scores highest, less the farther away it isMeasured
Claimed profile10%The firm has claimed its Law Firms Ranked profile (free and paid earn the same)Measured
Law Firms Ranked reviews10%Verified client reviews collected by Law Firms Ranked: their rating and how many there areMeasured

How to choose an intellectual property lawyer

  1. Check the lawyer’s status and any public discipline in the state bar or law society directory.
  2. Ask how many intellectual property law matters the lawyer handles each year, and who at the firm will do the work.
  3. Get the fee arrangement in writing: hourly, flat or contingency, and which costs are charged on top.
  4. Ask how and how often the firm will update you, and how fast it answers calls and emails.
  5. Read recent reviews for how the firm communicated and billed, not only for outcomes.
  6. For patents, check the lawyer is registered to practice before the patent office and has worked in your technical field.
  7. Meet more than one firm; many offer a short first consultation, sometimes free.

Questions to ask an intellectual property lawyer

  • How would you approach a matter like mine, and what are the realistic options?
  • How do you charge, and what will the total likely cost?
  • Who will be my main contact, and how quickly do you reply?
  • Are you registered with the patent office?
  • Which official fees are not included in your fee?
  • Is there any conflict of interest that would stop you representing me?

Terms explained

Contingency fee
A fee that is a share of the money recovered, paid only if there is a recovery. Common in injury cases; not allowed for criminal defense or for securing a divorce.
Retainer
Money paid up front and held in a trust account, which the lawyer draws on as fees are earned.
Flat fee
One set price for a defined piece of work, such as a will or an uncontested matter.
Limited-scope representation
Paying a lawyer for part of a matter only, such as reviewing documents or coaching for one hearing (also called unbundled services).
Statute of limitations
The deadline to file a lawsuit or charge. It differs by state or province and by type of claim.
Good standing
A lawyer’s status as active and eligible to practise with a state bar or law society.
Law society
The body that licenses and disciplines lawyers in a Canadian province or territory.
Board certification
Recognition in a field of law by a state program or an organisation accredited for that purpose. Lawyers may only claim it when they hold it, naming the certifying body.
Attorney–client privilege
The rule that keeps confidential communications between a client and lawyer, made for legal advice, out of court.
Conflict check
The search a firm runs before taking a matter to make sure it does not represent someone on the other side.
Pro bono
Legal work done for free, usually for people who cannot afford a lawyer.
Legal aid
Publicly funded legal help for people with low incomes, through legal aid offices, public defenders or provincial legal aid plans.

Intellectual property lawyers in Sierra Madre: frequently asked questions

Which intellectual property lawyer has the highest LFR Score in Sierra Madre?

By LFR Score, the highest-ranked intellectual property lawyer in Sierra Madre, CA is Omni Legal Group - Patent, Trademark, And Business Law with an LFR Score of 71/100. It has 5.0★ from 189 Google reviews. It is open 24/7. Partners Law Inc. (#2) and Trojan Law Offices, P.C. (#3) follow. We ranked 85 intellectual property lawyers on nine factors, last updated November 9, 2026.

How many intellectual property lawyers are there in Sierra Madre?

LawFirmsRanked ranks 85 intellectual property lawyers serving Sierra Madre, CA. Counts are as of November 2026.

Which intellectual property lawyers in Sierra Madre are open 24/7?

6 ranked intellectual property lawyers in Sierra Madre post 24/7 hours. The highest-ranked are Omni Legal Group - Patent, Trademark, And Business Law (#1), Partners Law Inc. (#2) and Ascent Horizon (#8). Hours come from each law firm's Google listing as of November 2026, so call to confirm.

Which intellectual property lawyers in Sierra Madre work on weekends?

13 of 85 ranked intellectual property lawyers post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Omni Legal Group - Patent, Trademark, And Business Law (#1), Partners Law Inc. (#2) and Trojan Law Offices, P.C. (#3). Posted hours are office hours; many firms meet clients by appointment outside them.

What Google rating do Sierra Madre intellectual property lawyers have?

The median Google rating among 85 rated intellectual property lawyers in Sierra Madre is 4.9★, with a median of 15 reviews. Omni Legal Group - Patent, Trademark, And Business Law has the most, 189 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does LawFirmsRanked rank intellectual property lawyers?

Each intellectual property lawyer gets a 0–100 LFR Score from nine published factors, led by reputation (25%), practice focus (15%), review volume (10%) and recency (10%). A law firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only law firms with a confirmed practice area and 3 or more reviews, or a claimed profile, are ranked.

Do intellectual property lawyers outside Sierra Madre count in this ranking?

Yes, if they are within 50 mi of the Sierra Madre city center, our service radius for intellectual property lawyers. Each listing shows where the law firm is based and how far away it is. Proximity is 5% of the LFR Score, so a nearby law firm gets a small edge.

Can intellectual property lawyers pay to rank higher on LawFirmsRanked?

No. The LFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured law firms may appear above the list, labelled Attorney advertising and showing their honest rank.

How do intellectual property lawyers in Sierra Madre, CA charge?

Intellectual property lawyers often charge a flat fee for trademark and patent filings (official fees are separate) and hourly rates for infringement disputes. Lawyers using Clio billed an average of $461 an hour in this area (Clio Legal Trends data, October 2026; all areas $362). Ask for the fee arrangement in writing before you agree.

Who can file a patent application for me?

Before the US Patent and Trademark Office, only registered patent attorneys and patent agents may prosecute patent applications for others. Trademark filings can be handled by any licensed attorney. This is general information, not legal advice.

How is this list of intellectual property lawyers in Sierra Madre, CA ranked?

By LFR Score only, from public data on reviews, practice focus, office location and hours. Firms labelled “Attorney advertising” paid for that placement; payment never changes a rank, and a rank is not an endorsement.

Does a lawyer need an office in Sierra Madre?

No, but the lawyer must be licensed in your state (or, for federal matters such as immigration, in some state). A local office makes meetings and court appearances easier, so proximity is one of our factors.

Update log for Sierra Madre

  1. November 2026: LFR Scores recalculated for 85 intellectual property lawyers serving Sierra Madre.

More intellectual property lawyers and Sierra Madre pages

Other practice areas in Sierra Madre