Korean inventions filed in the US rose 46%
KR → US+46%KR → JP+38%KR → EP+24%KR → CN+17%CN → US+12%EP → KR+9%EP → US+8%CN → JP+7%CN → KR+6%CN → EP+6%EP → JP+5%JP → KR+4%JP → US+2%US → KR+2%US → JP+1%US → EP-1%JP → EP-2%JP → CN-3%US → CN-5%EP → CN-9%
152Kpatent families in the busiest corridorCN→US
+46%the fastest-growing corridorKR→US
25%of CN → US work goes to ten firms in the USCN→US
Corridors
Firms sending work from the US
| # | Firm | Share | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | ▲5 | Schwegman Lundberg Woessner | 814 | 3.2% | +1.03 | 54 | 5 | |
| 2 | ▼1 | Fish & Richardson | 734 | 2.9% | -0.56 | 65 | 5 | |
| 3 | ▼1 | Kilpatrick Townsend & Stockton LLP | 569 | 2.3% | -0.70 | 66 | 5 | |
| 4 | ▲1 | Foley & Lardner | 508 | 2.0% | -0.19 | 63 | 2 | |
| 5 | ▲14 | Sughrue Mion | 456 | 1.8% | +0.85 | 39 | 3 | |
| 6 | ▼3 | Cantor Colburn LLP | 453 | 1.8% | -0.66 | 49 | 7 | |
| 7 | ▲2 | ArentFox Schiff | 428 | 1.7% | +0.09 | 45 | 3 | |
| 8 | ▼4 | Holland & Hart LLP | 421 | 1.7% | -0.58 | 17 | 0 | |
| 9 | ▼2 | Knobbe Martens | 349 | 1.4% | -0.69 | 79 | 6 | |
| 10 | ▼2 | Oliff PLC | 325 | 1.3% | -0.50 | 30 | 0 | |
+1,785 ranked firmsFull table | ||||||||
Families each firm handled, 2020–2022. Arrows show the rank change since 2017–2019.
Technology
| Overall | AHuman necessities | BOperations and transport | CChemistry and metallurgy | DTextiles and paper | EFixed constructions | FMechanical engineering | GPhysics | HElectricity | |
|---|---|---|---|---|---|---|---|---|---|
| Schwegman Lundberg Woessner | #1 | 3 | 9 | 1 | 2 | ||||
| Fish & Richardson | #2 | 1 | 3 | 1 | 3 | 3 | 2 | 2 | 6 |
| Kilpatrick Townsend & Stockton LLP | #3 | 10 | 7 | 5 | 4 | 1 | 3 | 5 | |
| Foley & Lardner | #4 | 7 | 4 | 2 | 4 | 3 | 4 | 8 | |
| Sughrue Mion | #5 | 9 | 5 | 3 | |||||
| Cantor Colburn LLP | #6 | 1 | 7 | 7 | 1 | 10 | |||
| Holland & Hart LLP | #8 | 1 | |||||||
| Michael Best & Friedrich LLP | Top 5% | 2 | 4 | 6 | |||||
| Seager, Tufte & Wickhem, LLP | Top 5% | 2 | |||||||
| Morrison Foerster | Top 5% | 3 | |||||||
| Price Heneveld LLP | Top 5% | 1 | 9 | ||||||
| Husch Blackwell LLP | Top 5% | 2 | |||||||
| Kimberly-Clark | Top 25% | 2 |
Rank in each IPC section, by patent families 2020–2022. Overall: rank in the whole corridor, shown as a band beyond 10th.
Applicants
| # | Applicant | Families | Offices per family |
|---|---|---|---|
| 1 | QUALCOMM INC | 1,574 | 1.71 |
| 2 | Micron Technology, Inc. | 1,276 | 1.06 |
| 3 | GOOGLE LLC | 908 | 2.36 |
| 4 | APPLE INC | 888 | 1.51 |
| 5 | MICROSOFT TECHNOLOGY LICENSING LLC | 652 | 1.40 |
| 6 | SNAP INC | 376 | 1.56 |
| 7 | HONEYWELL INT INC | 373 | 1.29 |
| 8 | APPLIED MATERIALS INC | 372 | 2.22 |
| 9 | BOEING CO | 360 | 2.16 |
| 10 | INTEL CORP | 313 | 1.50 |
+4,484 ranked applicants | |||
Top 10 by patent families filed abroad, 2020–2022.
Method
| Measure | What it counts | Minimum |
|---|---|---|
| Volume | Families a firm handled in the corridor | 10 families |
| Momentum | Change in market share since the previous period | 10 families |
| Breadth | Firms on the other side it worked with | 10 families, 3 partners |
| Openness | Partners that are new in the last two years | 10 families, 3 partners |
| Reach | Other IP5 offices an applicant files in, per family | 100 families |
SourcesPublished records of the IP5 offices and EUIPO
PeriodsPatents: 2020–2022 vs 2017–2019, by priority year. Trademarks: 2023–2025 vs 2020–2022, by filing year.
Not rankedIndividuals, in-house IP teams, applicant–firm pairs
Ranks come from the data only. Subscriptions, payments and partnerships never change a rank.
Corrections close on December 2, 2026. The corrected edition is 2026.1.No corrections yetReport an error