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Patent in Seattle

Harris Sliwoski LLP

Seattle, WA5(29 reviews)
Patent

Verified potential up to 78

Trademark filings

From public IP-office records
Total filings
456
Registration rate
74%
Lead class
Class 42
Latest filing
2026-07-01

Top classes filed

Class 42
9
Class 35
7
Class 9
6
Class 36
6
Class 10
5

Recent filings

  • COLDWAVEClass 10 · 2026-07-01
    examining
  • MEDWORKSClass 10 · 2026-07-01
    examining
  • A·O·EClass 5 · 2026-06-22
    examining
  • DERMOVIROXClass 3, 5 · 2026-06-19
    examining
  • SPECTRAFILLClass 9, 11 · 2026-06-09
    examining

A sample of Harris Sliwoski LLP’s public filing record. Claim this profile to feature the full history.

How Harris Sliwoski LLP scores

The Councl Score is a 0 to 100 measure across four pillars. How it works.

Ahead of 93% of patent firms in Seattle.

Reputation · 55% of score76

5 stars from 29 Google reviews, read in depth.

Experience · 20% of score unlocks when claimed

Scored on public signals for now, claim and verify to confirm your experience.

Web presence · 15% of score55

Has a live, findable website.

Reliability · 10% of score75

Complete contact details.

Experience signals are verified by the firm. Claim this profile to complete the score.

How Harris Sliwoski LLP can climb

  • Claim and verify your profile to add the Experience pillar and reach your verified potential.
  • Keep earning recent reviews, and reply to them.

An automated estimate from public data, not an endorsement or legal advice. How it works, and how to request a correction or removal.

Harris Sliwoski LLP in Seattle

Ranked No. 2 of 28 patent firms in Seattle by Councl Score.

See the full ranking

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