diff --git a/dotnet/src/webdriver/CookieJar.cs b/dotnet/src/webdriver/CookieJar.cs
index e4f681e11908a..934c50892cc3c 100644
--- a/dotnet/src/webdriver/CookieJar.cs
+++ b/dotnet/src/webdriver/CookieJar.cs
@@ -23,104 +23,61 @@
 
 namespace OpenQA.Selenium
 {
-    /// <summary>
-    /// Defines an interface allowing the user to manipulate cookies on the current page.
-    /// </summary>
-    internal class CookieJar : ICookieJar
+    internal class CookieJar(WebDriver driver) : ICookieJar
     {
-        private WebDriver driver;
+        public ReadOnlyCollection<Cookie> AllCookies => GetAllCookies();
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="CookieJar"/> class.
-        /// </summary>
-        /// <param name="driver">The driver that is currently in use</param>
-        public CookieJar(WebDriver driver)
-        {
-            this.driver = driver;
-        }
-
-        /// <summary>
-        /// Gets all cookies defined for the current page.
-        /// </summary>
-        public ReadOnlyCollection<Cookie> AllCookies
-        {
-            get { return this.GetAllCookies(); }
-        }
-
-        /// <summary>
-        /// Method for creating a cookie in the browser
-        /// </summary>
-        /// <param name="cookie"><see cref="Cookie"/> that represents a cookie in the browser</param>
         public void AddCookie(Cookie cookie)
         {
-            Dictionary<string, object> parameters = new Dictionary<string, object>();
-            parameters.Add("cookie", cookie);
-            this.driver.InternalExecute(DriverCommand.AddCookie, parameters);
+            if (cookie is null)
+            {
+                throw new ArgumentNullException(nameof(cookie));
+            }
+
+            driver.InternalExecute(DriverCommand.AddCookie, new() { { "cookie", cookie } });
         }
 
-        /// <summary>
-        /// Delete the cookie by passing in the name of the cookie
-        /// </summary>
-        /// <param name="name">The name of the cookie that is in the browser</param>
         public void DeleteCookieNamed(string name)
         {
-            Dictionary<string, object> parameters = new Dictionary<string, object>();
-            parameters.Add("name", name);
-            this.driver.InternalExecute(DriverCommand.DeleteCookie, parameters);
+            if (name is null)
+            {
+                throw new ArgumentNullException(nameof(name));
+            }
+
+            driver.InternalExecute(DriverCommand.DeleteCookie, new() { { "name", name } });
         }
 
-        /// <summary>
-        /// Delete a cookie in the browser by passing in a copy of a cookie
-        /// </summary>
-        /// <param name="cookie">An object that represents a copy of the cookie that needs to be deleted</param>
         public void DeleteCookie(Cookie cookie)
         {
-            if (cookie != null)
+            if (cookie is null)
             {
-                this.DeleteCookieNamed(cookie.Name);
+                throw new ArgumentNullException(nameof(cookie));
             }
+
+            DeleteCookieNamed(cookie.Name);
         }
 
-        /// <summary>
-        /// Delete All Cookies that are present in the browser
-        /// </summary>
         public void DeleteAllCookies()
         {
-            this.driver.InternalExecute(DriverCommand.DeleteAllCookies, null);
+            driver.InternalExecute(DriverCommand.DeleteAllCookies, null);
         }
 
-        /// <summary>
-        /// Method for returning a getting a cookie by name
-        /// </summary>
-        /// <param name="name">name of the cookie that needs to be returned</param>
-        /// <returns>A Cookie from the name</returns>
         public Cookie GetCookieNamed(string name)
         {
-            Cookie cookieToReturn = null;
-            if (name != null)
+            if (name is null)
             {
-                ReadOnlyCollection<Cookie> allCookies = this.AllCookies;
-                foreach (Cookie currentCookie in allCookies)
-                {
-                    if (name.Equals(currentCookie.Name))
-                    {
-                        cookieToReturn = currentCookie;
-                        break;
-                    }
-                }
+                throw new ArgumentNullException(nameof(name));
             }
 
-            return cookieToReturn;
+            var rawCookie = driver.InternalExecute(DriverCommand.GetCookie, new() { { "name", name } }).Value;
+
+            return Cookie.FromDictionary((Dictionary<string, object>)rawCookie);
         }
 
-        /// <summary>
-        /// Method for getting a Collection of Cookies that are present in the browser
-        /// </summary>
-        /// <returns>ReadOnlyCollection of Cookies in the browser</returns>
         private ReadOnlyCollection<Cookie> GetAllCookies()
         {
             List<Cookie> toReturn = new List<Cookie>();
-            object returned = this.driver.InternalExecute(DriverCommand.GetAllCookies, new Dictionary<string, object>()).Value;
+            object returned = driver.InternalExecute(DriverCommand.GetAllCookies, new Dictionary<string, object>()).Value;
 
             try
             {
diff --git a/dotnet/src/webdriver/ICookieJar.cs b/dotnet/src/webdriver/ICookieJar.cs
index a27c472a78c41..c0e1eab1d824e 100644
--- a/dotnet/src/webdriver/ICookieJar.cs
+++ b/dotnet/src/webdriver/ICookieJar.cs
@@ -17,6 +17,7 @@
 // under the License.
 // </copyright>
 
+using System;
 using System.Collections.ObjectModel;
 
 namespace OpenQA.Selenium
@@ -35,26 +36,30 @@ public interface ICookieJar
         /// Adds a cookie to the current page.
         /// </summary>
         /// <param name="cookie">The <see cref="Cookie"/> object to be added.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="cookie"/> is <see langword="null"/>.</exception>
         void AddCookie(Cookie cookie);
 
         /// <summary>
         /// Gets a cookie with the specified name.
         /// </summary>
         /// <param name="name">The name of the cookie to retrieve.</param>
-        /// <returns>The <see cref="Cookie"/> containing the name. Returns <see langword="null"/>
-        /// if no cookie with the specified name is found.</returns>
+        /// <returns>The <see cref="Cookie"/> containing the name.</returns>
+        /// <exception cref="ArgumentNullException">If <paramref name="name"/> is <see langword="null"/>.</exception>
+        /// <exception cref="NoSuchCookieException">If <paramref name="name"/> is not found.</exception>
         Cookie GetCookieNamed(string name);
 
         /// <summary>
         /// Deletes the specified cookie from the page.
         /// </summary>
         /// <param name="cookie">The <see cref="Cookie"/> to be deleted.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="cookie"/> is <see langword="null"/>.</exception>
         void DeleteCookie(Cookie cookie);
 
         /// <summary>
         /// Deletes the cookie with the specified name from the page.
         /// </summary>
         /// <param name="name">The name of the cookie to be deleted.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="name"/> is <see langword="null"/>.</exception>
         void DeleteCookieNamed(string name);
 
         /// <summary>
diff --git a/dotnet/src/webdriver/NoSuchCookieException.cs b/dotnet/src/webdriver/NoSuchCookieException.cs
new file mode 100644
index 0000000000000..067a89eba6465
--- /dev/null
+++ b/dotnet/src/webdriver/NoSuchCookieException.cs
@@ -0,0 +1,63 @@
+// <copyright file="NoSuchCookieException.cs" company="Selenium Committers">
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+// </copyright>
+
+using System;
+
+#nullable enable
+
+namespace OpenQA.Selenium
+{
+    /// <summary>
+    /// The exception that is thrown when a cookie is not found.
+    /// </summary>
+    [Serializable]
+    public class NoSuchCookieException : NotFoundException
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NoSuchCookieException"/> class.
+        /// </summary>
+        public NoSuchCookieException()
+            : base()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NoSuchCookieException"/> class with
+        /// a specified error message.
+        /// </summary>
+        /// <param name="message">The message that describes the error.</param>
+        public NoSuchCookieException(string? message)
+            : base(message)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NoSuchCookieException"/> class with
+        /// a specified error message and a reference to the inner exception that is the
+        /// cause of this exception.
+        /// </summary>
+        /// <param name="message">The error message that explains the reason for the exception.</param>
+        /// <param name="innerException">The exception that is the cause of the current exception,
+        /// or <see langword="null"/> if no inner exception is specified.</param>
+        public NoSuchCookieException(string? message, Exception? innerException)
+            : base(message, innerException)
+        {
+        }
+    }
+}
diff --git a/dotnet/src/webdriver/Remote/W3CWireProtocolCommandInfoRepository.cs b/dotnet/src/webdriver/Remote/W3CWireProtocolCommandInfoRepository.cs
index 8c51b36fd6035..352194e7bca41 100644
--- a/dotnet/src/webdriver/Remote/W3CWireProtocolCommandInfoRepository.cs
+++ b/dotnet/src/webdriver/Remote/W3CWireProtocolCommandInfoRepository.cs
@@ -108,7 +108,7 @@ protected override void InitializeCommandDictionary()
             this.TryAddCommand(DriverCommand.ExecuteScript, new HttpCommandInfo(HttpCommandInfo.PostCommand, "/session/{sessionId}/execute/sync"));
             this.TryAddCommand(DriverCommand.ExecuteAsyncScript, new HttpCommandInfo(HttpCommandInfo.PostCommand, "/session/{sessionId}/execute/async"));
             this.TryAddCommand(DriverCommand.GetAllCookies, new HttpCommandInfo(HttpCommandInfo.GetCommand, "/session/{sessionId}/cookie"));
-            this.TryAddCommand(DriverCommand.GetCookie, new HttpCommandInfo(HttpCommandInfo.PostCommand, "/session/{sessionId}/cookie/{name}"));
+            this.TryAddCommand(DriverCommand.GetCookie, new HttpCommandInfo(HttpCommandInfo.GetCommand, "/session/{sessionId}/cookie/{name}"));
             this.TryAddCommand(DriverCommand.AddCookie, new HttpCommandInfo(HttpCommandInfo.PostCommand, "/session/{sessionId}/cookie"));
             this.TryAddCommand(DriverCommand.DeleteCookie, new HttpCommandInfo(HttpCommandInfo.DeleteCommand, "/session/{sessionId}/cookie/{name}"));
             this.TryAddCommand(DriverCommand.DeleteAllCookies, new HttpCommandInfo(HttpCommandInfo.DeleteCommand, "/session/{sessionId}/cookie"));
diff --git a/dotnet/src/webdriver/WebDriver.cs b/dotnet/src/webdriver/WebDriver.cs
index 9bcca8b28f8b3..f887ce42bd432 100644
--- a/dotnet/src/webdriver/WebDriver.cs
+++ b/dotnet/src/webdriver/WebDriver.cs
@@ -853,6 +853,9 @@ private static void UnpackAndThrowOnError(Response errorResponse, string command
                         case WebDriverResult.InsecureCertificate:
                             throw new InsecureCertificateException(errorMessage);
 
+                        case WebDriverResult.NoSuchCookie:
+                            throw new NoSuchCookieException(errorMessage);
+
                         default:
                             throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "{0} ({1})", errorMessage, errorResponse.Status));
                     }
diff --git a/dotnet/test/common/CookieImplementationTest.cs b/dotnet/test/common/CookieImplementationTest.cs
index a329895d79b7d..6b60192252ec1 100644
--- a/dotnet/test/common/CookieImplementationTest.cs
+++ b/dotnet/test/common/CookieImplementationTest.cs
@@ -553,8 +553,7 @@ public void SettingACookieThatExpiredInThePast()
             IOptions options = driver.Manage();
             options.Cookies.AddCookie(cookie);
 
-            cookie = options.Cookies.GetCookieNamed("expired");
-            Assert.That(cookie, Is.Null, "Cookie expired before it was set, so nothing should be returned: " + cookie);
+            Assert.That(() => options.Cookies.GetCookieNamed("expired"), Throws.InstanceOf<NoSuchCookieException>());
         }
 
         [Test]
@@ -579,9 +578,8 @@ public void CanSetCookieWithoutOptionalFieldsSet()
         public void DeleteNotExistedCookie()
         {
             String key = GenerateUniqueKey();
-            AssertCookieIsNotPresentWithName(key);
 
-            driver.Manage().Cookies.DeleteCookieNamed(key);
+            Assert.That(() => driver.Manage().Cookies.DeleteCookieNamed(key), Throws.Nothing);
         }
 
         [Test]