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 Korea
| # | Firm | Share | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | ▲1 | Lee International Patent Law Office | 1,749 | 9.8% | +0.96 | 163 | 30 | |
| 2 | ▼1 | Kim & Chang | 1,287 | 7.2% | -2.72 | 372 | 100 | |
| 3 | ▲2 | Y.P. Lee, Mock & Partners | 1,187 | 6.6% | +1.81 | 254 | 72 | |
| 4 | ▲2 | Bae, Kim & Lee LLC | 866 | 4.8% | +0.73 | 203 | 63 | |
| 5 | ▼2 | YOU ME PATENT & LAW FIRM | 837 | 4.7% | -0.39 | 204 | 44 | |
| 6 | ▲14 | PHIL & ONZI INT'L PATENT & LAW FIRM | 669 | 3.7% | +2.06 | 99 | 38 | |
| 7 | ▲1 | Lee & Yoon Patent & Law Office | 552 | 3.1% | +0.65 | 88 | 24 | |
| 8 | ▼4 | KOREANA Patent Firm | 532 | 3.0% | -1.96 | 154 | 38 | |
| 9 | ▲6 | Envision Patent & Law Firm | 469 | 2.6% | +0.77 | 38 | 7 | |
| 10 | ▲3 | Yoon & Lee Patent & Law Firm | 460 | 2.6% | +0.54 | 69 | 13 | |
+492 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 | |
|---|---|---|---|---|---|---|---|---|---|
| Lee International Patent Law Office | #1 | 5 | 7 | 3 | 8 | ||||
| Kim & Chang | #2 | 4 | 8 | 5 | 2 | 2 | |||
| Y.P. Lee, Mock & Partners | #3 | 1 | 6 | 6 | 5 | 3 | 1 | 3 | |
| Bae, Kim & Lee LLC | #4 | 3 | 2 | 9 | 3 | 4 | 3 | 2 | |
| YOU ME PATENT & LAW FIRM | #5 | 2 | 2 | 1 | 2 | 5 | 7 | ||
| PHIL & ONZI INT'L PATENT & LAW FIRM | #6 | 8 | 1 | 6 | 7 | 1 | |||
| KBK & Associates | Top 5% | 1 | 6 | ||||||
| Choi Hee-kyung Patent Law Office | Top 5% | 10 | 3 | 9 | 9 | ||||
| Ha Combined Patent | Top 5% | 1 | |||||||
| PAX Patent & Law Firm | Top 10% | 3 | 4 | ||||||
| SELIM INTELLECTUAL PROPERTY LAW FIRM | Top 10% | 3 | 2 | 1 | |||||
| Soan Patent Firm | Top 25% | 3 | 5 |
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 | 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