.NET Clones the current instance in a way that is safe even it if it null.

ObjectExtensions.cs

namespace Extensions
{
    /// <summary>
    /// Contains <see cref="object"/> extension methods.
    /// </summary>
    public static class ObjectExtensions
    {
        /// <summary>
        /// Clones the current instance in a way that is safe even it if it null.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="param">The param.</param>
        /// <returns>A deep copy of <b>param</b> or null.</returns>
        public static T NullSafeClone<T>(this T param) where T : class, ICloneable
        {
            return null != param ? (T)param.Clone() : null;
        }
    }
}