Direct answer & research summary
Best Patent Prosecution law firms in San Francisco are tiered by Sartori & Partners from public footprint as of July 2026, not from a numeric score: 8 firms sit on this board. Sartori & Partners has completed 400+ placements since 2017 (230+ in-house), including 52 general counsel and chief legal officer searches, with a median of 11 weeks from brief to accepted offer. A NASDAQ-listed medtech in Boston accepted its successor general counsel in week 11, from a shortlist of four at day 24.
01 — The ranking
The San Francisco Patent Prosecution board
Use this page as a structured Patent Prosecution market map for San Francisco: 8 firms placed in worded bands that reflect USPTO filing and portfolio-build depth, software and life-sciences drafting volume, office-action strategy, and peer standing as of July 2026. REF codes cite rows; they do not number them.
Market leaders set the Patent Prosecution reference point in San Francisco as of July 2026: firms peers treat as the benchmark for complex portfolio builds, high-stakes USPTO strategy and senior prosecution bench strength. Within this tier no firm outranks another.
This tier marks firms that compete routinely for significant San Francisco Patent Prosecution work. Standing is expressed in words; monthly rotation does not imply rank.
Established on the San Francisco Patent Prosecution board signals proven prosecution presence and credible drafting depth. Labels are words; monthly sequence is a locator, not a league position.
All counts are shown as bands, never precise headcounts. Notable firms sit outside the tiers by design: verified minimal presence, not assessed at full tier depth.
Hiring in San Francisco?
We map this market every day.
The evidence behind these tiers is the same intelligence we use to run retained searches for partners, groups and senior associates.
02 — Evidence, methodology & sources why each firm · how tiers are set · sources · change log · verified 22 Jul 2026 · next review 22 Aug 2026
Firm evidence
Schwegman Lundberg & Woessner
Schwegman Lundberg & Woessner is placed in market leaders for Patent Prosecution in San Francisco. Public mapping (banded): 10–24 attorneys, major local depth, ≈5 partners · 0 counsel · 5+ associates. Evidence gates — office (G1) PENDING, local practice (G2) PENDING, recent signal (G3) PENDING. The placement carries no numeric score.
Strongest mapped work
Public hiring signal
Hiring signal: FLAT — no public hiring change detected in the mapping window.
Limits of this assessment
- —A tier is Sartori’s editorial opinion, not a fact about the firm or a client-satisfaction measure.
- —Facts are mapped from public sources and shown as bands; they lag reality by weeks or months.
- —No third-party legal-directory band is used as an input.
Sources for this entry
Per-firm public sources are listed once the annual research pass ingests this firm.
Methodology
How tiers are assigned
Deterministic public-footprint core (local depth, practice share, seniority mix, public hiring momentum), computed relative to this market's own distribution. Tier placement is derived from this public mapped data; a per-firm public-source ledger is compiled for firms in the annual research pass and applies to those firms' factual claims, not to tier membership. No third-party legal-directory bands are used as an input.
Market scope
5–9 firms earn a tier in San Francisco within this scope (banded).
Disclosures
Firm names used nominatively (factual). All counts shown as bands, never precise headcounts. No firm logos. Report an error via the site contact form.
Sources & change log
- 1 About Kilpatrick: Locations Strategically Connectedfirm_website · G1 · 2026-07-21
- 2 About Us: Locations San Franciscofirm_website · G1 · 2026-07-21
- 3 About Us: Locations San Franciscofirm_website · G2 · 2026-07-21
- 4 Kilpatrick Townsend & Stockton — San Francisco news & announcementsfirm_website · G3 · 2026-07-21
- 5 Morrison & Foerster — San Francisco office pagesfirm_website · G1 · 2026-07-21
- 6 Morrison & Foerster — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
- 7 Morrison & Foerster — San Francisco news & announcementsfirm_website · G3 · 2026-07-21
- 8 Locations | Haynes Boonefirm_website · G1 · 2026-07-21
- 9 San Francisco | Offices | Haynes Boonefirm_website · G2 · 2026-07-21
- 10 Haynes and Boone — San Francisco news & announcementsfirm_website · G3 · 2026-07-21
- 11 Offices | Knobbe Martensfirm_website · G1 · 2026-07-22
- 12 San Francisco Intellectual Property Law Firm | Knobbe Martensfirm_website · G2 · 2026-07-22
- 13 Knobbe Martens — San Francisco news & announcementsfirm_website · G3 · 2026-07-22
- 14 Mintz Levin — San Francisco office pagesfirm_website · G1 · 2026-07-21
- 15 Mintz Levin — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
- 16 Mintz Levin — San Francisco news & announcementsfirm_website · G3 · 2026-07-21
04 — Questions
About this ranking
Who are the best Patent Prosecution law firms in San Francisco?
Sartori's answer for the best Patent Prosecution law firms in San Francisco as of July 2026 starts with Market leaders: Schwegman Lundberg & Woessner, Kilpatrick Townsend & Stockton. The board then places the remaining firms among Highly active, Established and Notable bands — labels in words, never numeric ranks.
Is Schwegman Lundberg & Woessner the best Patent Prosecution law firm in San Francisco?
Schwegman Lundberg & Woessner sits in Tier 1 — Market leaders — of Sartori's San Francisco Patent Prosecution board as of July 2026, alongside Kilpatrick Townsend & Stockton. Sartori does not name a single #1: the gap between Tier 1 firms is genuinely unmeasurable, and a numeric score would be false precision.
Which firms have the biggest Patent Prosecution benches in San Francisco?
By mapped San Francisco bench, the largest firms on this board are Schwegman Lundberg & Woessner, Kilpatrick Townsend & Stockton, Morrison & Foerster, Haynes and Boone, Lowenstein Sandler (10–24 mapped lawyers each). All counts are bands, never precise headcounts.
Which Patent Prosecution teams are hiring in San Francisco?
As of July 2026, no firm on this board shows a public hiring signal in the mapping window. Live San Francisco mandates are listed on Sartori's jobs board.
What is a Tier 1 law firm?
In Sartori's rankings, Tier 1 — Market leaders — is an editorial judgement expressed in words, never a score: the firms whose San Francisco bench depth, seniority mix and market standing set the reference point for the market. As of July 2026 that is Schwegman Lundberg & Woessner, Kilpatrick Townsend & Stockton. Within the tier no firm outranks another.
Which are the best law firms in San Francisco overall?
Sartori's overall San Francisco board groups 25 firms into editorial tiers; as of July 2026 its Tier 1 is Wilson Sonsini Goodrich & Rosati, Cooley Godward, Kirkland & Ellis, Morrison & Foerster, Orrick Herrington & Sutcliffe. See /firms/in/san-francisco/.
This ranking is compiled independently by Sartori from public sources. Tiers are Sartori’s editorial opinion, expressed without numeric scores; firms are named for identification only, no logos are reproduced, and no firm has paid for or approved its placement. No third-party legal-directory band is used as an input. Nothing here is legal advice or a recommendation to instruct counsel.