Lobbyist

BUCKNER, JASON L

FILINGS KEY

Client Is Connected to China as Indicated in Filing
Client Is Connected to China as per Heritage Foundation Analysis
No Known Client Connection to China
—
Lobbying Terminated
Based on data as of March 27, 2026
Associated Filings (44)

Client
NOVACOPPER US INC DBA TRILOGY METALS US

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2019

Lobbying Terminated
2020

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
TRILOGY METALS INC
Canada
100.0

Lobbyists

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Client
MEWBOURNE OIL COMPANY

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2019

Lobbying Terminated
2024

Foreign Entities Connected to Client

None

Lobbyists

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Client
WILDLIFE CONSERVATION SOCIETY

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2019

Lobbying Terminated
2021

Foreign Entities Connected to Client

None

Lobbyists

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Client
TUNICA BILOXI TRIBE OF LOUISIANA

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2020

Lobbying Terminated
2022

Foreign Entities Connected to Client

None

Lobbyists

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Client
KINROSS GOLD CORPORATION

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2020

Lobbying Terminated
2022

Foreign Entities Connected to Client

None

Lobbyists

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Client
JR SIMPLOT COMPANY

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2020

Lobbying Terminated
2025

Foreign Entities Connected to Client

None

Lobbyists

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Client
TWIN METALS MINNESOTA LLC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
2025

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
ANDES INVESTMENT COMPANY (JERSEY)
United Kingdom
100.0
ANTOFAGASTA INVESTMENT COMPANY LIMITED
United Kingdom
100.0
ANTOFAGASTA MINERALS S.A.
Chile
99.0
ANTOFAGASTA PLC
United Kingdom
100.0
CHILEAN NORTHERN MINES LIMITED (UK)
United Kingdom
92.0
DULUTH METALS LIMITED
Canada
60.0
E. ABAROA FDN. (OWNERSHIP INTEREST IS APPROXIMATE)
Liechtenstein
50.0
EL TESORO (SPV BERMUDA) LIMITED
Bermuda
100.0
INVERSIONES LOS PELAMBRES CHILE LIMITADA
Chile
92.0
LOS PELAMBRES HOLDING CO (UK/JERSEY)
United Kingdom
92.0
LOS PELAMBRES INVESTMENT CO (UK/JERSEY)
United Kingdom
92.0
METALINVEST ESTABLISHMENT
Liechtenstein
58.0
NORTHERN METALS (UK) LIMITED
United Kingdom
40.0
NORTHERN MINERALS INVESTMENT (JERSEY) LIMITED
United Kingdom
40.0
TWIN METALS (UK) LIMITED
United Kingdom
25.0

Lobbyists

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Client
OVINTIV INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
2025

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
UR ENERGY USA INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
2021

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
UR-ENERGY INC.
Canada
100.0

Lobbyists

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Client
BROKEN HILL PROPRIETARY USA INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
2025

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
BHP GROUP LIMITED
Australia
100.0

Lobbyists

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Client
WOODSIDE ENERGY

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2022

Lobbying Terminated
Active

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
WOODSIDE ENERGY GROUP LTD
Australia
100.0

Lobbyists

View Filing

Client
SANTOS LIMITED

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2022

Lobbying Terminated
2025

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
OIL SEARCH LIMITED
Papua New Guinea
100.0
PAPUAN OIL SEARCH LIMITED
Australia
100.0

Lobbyists

View Filing

Client
VALHALLA METALS INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
2025

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
MARUBENI CORPORATION
Japan
20.0
MARUBENI METALS & MINERAL (CANADA) INC.
Canada
20.0

Lobbyists

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Client
SUMITOMO CORPORATION OF AMERICAS

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
Active

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
SUMITOMO CORPORATION
Japan
100.0

Lobbyists

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Client
ELLIOTT INVESTMENT MANAGEMENT LP

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
Active

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ITAFOS CONDA LLC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
Active

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MDF GLOBAL

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
Active

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
MDF GLOBAL LIMITED
Australia
100.0

Lobbyists

View Filing

Client
VANGUARD RENEWABLES

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
Active

Foreign Entities Connected to Client

None

Lobbyists

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Client
FELIX GOLD ALASKA TREASURE CREEK INC USA

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2026

Lobbying Terminated
Active

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
MDF GLOBAL LIMITED
Australia
100.0

Lobbyists

View Filing

Client
GLOBAL BATTERY METALS LTD

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2026

Lobbying Terminated
Active

Foreign Entities Connected to Client

None

Lobbyists

View Filing