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 EU
| # | Firm | Share | Breadth | Openness | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | ▲6 | Dennemeyer & Associates LLC | 85 | 3.2% | +2.24 | 4 | 0 | |
| 2 | · | Berggren Oy | 46 | 1.7% | -0.09 | 0 | 0 | |
| 2 | ▼1 | ROSCHIER BRANDS, ATTORNEYS LTD. | 46 | 1.7% | -0.35 | 2 | 0 | |
| 4 | · | Taylor Wessing | 42 | 1.6% | +0.56 | 0 | 0 | |
| 5 | · | Manitz Finsterwald Patent- und Rechtsanwaltspartnerschaft mbB | 31 | 1.2% | +0.20 | 0 | 0 | |
| 6 | ▲36 | Grünecker Patent- und Rechtsanwälte PartG mbB | 30 | 1.1% | +0.68 | 3 | 1 | |
| 7 | · | HERRERO & ASOCIADOS | 28 | 1.0% | +0.12 | 0 | 0 | |
| 7 | ▲524 | MSA IP d.o.o. | 28 | 1.0% | +1.02 | 0 | 0 | |
| 9 | ▲12 | WESTERBERG & PARTNERS ADVOKATBYRÅ AB | 26 | 1.0% | +0.33 | 0 | 0 | |
| 9 | ▲17 | Brandstock Legal Rechtsanwaltsgesellschaft mbH | 26 | 1.0% | +0.40 | 4 | 0 | |
+668 ranked firmsFull table | ||||||||
Families each firm handled, 2023–2025. Arrows show the rank change since 2020–2022.
Technology
| Overall | 1–5Chemicals and health | 6–8, 12–13Metals, machines and vehicles | 9–11Electronics and instruments | 14–21, 28Household, leisure and materials | 22–27Textiles and clothing | 29–34Food and drink | 35–38, 42Business and technology services | 39–41, 43–45Transport, education and personal services | |
|---|---|---|---|---|---|---|---|---|---|
| Dennemeyer & Associates LLC | #1 | 1 | 3 | 1 | 1 | 1 | |||
| Berggren Oy | #2 | 9 | 1 | 5 | 10 | 4 | 5 | 1 | 1 |
| ROSCHIER BRANDS, ATTORNEYS LTD. | #2 | 2 | 2 | 1 | 2 | 2 | 7 | 5 | 4 |
| Taylor Wessing | #4 | 4 | 1 | 9 | 2 | 2 | |||
| Grünecker Patent- und Rechtsanwälte PartG mbB | #6 | 4 | 6 | 3 | |||||
| HERRERO & ASOCIADOS | #7 | 2 | |||||||
| WESTERBERG & PARTNERS ADVOKATBYRÅ AB | #9 | 9 | 3 | 3 | 5 | 2 | |||
| Brandstock Legal Rechtsanwaltsgesellschaft mbH | #9 | 3 | 7 | ||||||
| BAYLOS | Top 5% | 7 | 3 | 5 | 4 | 6 | 6 | ||
| LINDNER/BLAUMEIER PATENT- UND RECHTSANWÄLTE PARTNERSCHAFTSGESELLSCHAFT MBB | Top 5% | 3 | |||||||
| Studio Tecnico Lenzi | Top 5% | 2 |
Rank in each Nice class group, by trademark filings 2023–2025. Overall: rank in the whole corridor, shown as a band beyond 10th.
Applicants
| # | Applicant | Families | Offices per family |
|---|---|---|---|
| 1 | SAMSUNG ELECTRONICS CO., LTD. | 4,193 | 1.60 |
| 2 | LG Electronics Inc. | 2,841 | 1.87 |
| 3 | LG Energy Solution, LTD. | 1,716 | 2.71 |
| 4 | LG CHEMICAL LTD | 1,015 | 2.49 |
| 5 | Samsung Display Co., Ltd. | 323 | 1.78 |
| 6 | HYUNDAI MOTOR CO LTD | 317 | 1.81 |
| 7 | Kia Corporation | 316 | 1.81 |
| 8 | KOREAN TOBACCO GINSENG COMMUNITY | 265 | 2.51 |
| 9 | LG Display Co.,Ltd. | 237 | 1.99 |
| 10 | SAMSUNG SDI CO., LTD. | 208 | 1.79 |
+699 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